How To Use Caffeine In A Sentence
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So, while the average cup of decaf contains between 6 and 10 milligrams of caffeine per serving, the regulation allows for "decaf" coffee to contain much higher levels of the stimulant, at least 30 milligrams in some cases, according to
Undefined
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In addition to caffeine and sugar, each drink has its own particular formula, often a mix of guarana, ginseng, and B-complex vitamins.
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He'd made his own cup with extra caffeine to help shake off such an early start to the day.
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Once these are used up, try herbal or rooibos teas, which are caffeine-free.
Times, Sunday Times
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Caffeine appears to offer ergogenic benefits during prolonged exercise, but not during short-burst, high-intensity activities.
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Although it is present in huge amounts in these plants, nobody knows what caffeine is for.
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So we counteracted the alcohol with caffeine (aka "change"), the opposite substance to alcohol.
Jamie Frevele: What We Are Experiencing, America, Is a GOP Hangover
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But other studies show you can develop a tolerance to caffeine so that it doesn't affect your blood pressure.
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Decaffenation is the process of removing caffeine from products that contain it.
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Caffeine makes me jittery, so I prefer decaffeinated tea.
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Get an eye cream on as soon as you can: look for zingy ingredients such as caffeine, green tea and ginger.
Times, Sunday Times
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I don't consider myself a caffeine addict, but I do drink diet Coke every evening and probably a weak coffee every day or two on average.
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In the social context, drugs such as caffeine, sugar and chocolate are well accepted and much enjoyed by millions worldwide.
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What they have probably shown, Bill, is that caffeine may have a role in what they call advocating cancer cells, meaning that if you already have cancer, there's a possibility, looking at some long-term studies, that caffeine may actually stimulate those cells to go a little bit more than they otherwise would have.
CNN Transcript Nov 17, 2003
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This is especially-true for insomniacs, who seem to have a lower tolerance to the stimulating effects of caffeine than most people.
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Copious quantities of caffeine and alcohol will stimulate the production of urine, so keep them to a minimum.
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That includes peppermint (keep the candy canes on the trees and out of your mouth), caffeine, garlic, onions, and such acidic foods as orange juice and tomatoes.
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Go for long walks, avoid caffeine, and eat mild food.
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An athlete might use foods containing caffeine to increase energy levels, for example, coffee, chocolate and cola drinks.
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That way you reduce your caffeine intake but avoid having withdrawal headaches.
Times, Sunday Times
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To whom it may concern: The all day caffeine rush for your credit card, known as a woot-off in some circles, is going on now. [woot!]
Gizmodo
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A diet full of junk food, overeating and high amounts of caffeine was making him stressed out and miserable.
The Sun
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Methyl xanthines (caffeine, theophylline and theobromine) are found in seeds and leaves of a variety of unrelated plant species, including coffee, tea, cocoa, cola and mate.
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In chemical composition caffeine closely resembles a waste, called uric acid, and in the body is converted into this substance.
Physiology and Hygiene for Secondary Schools
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Sugar, caffeine and alcohol can make anxiety worse.
The Sun
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Caffeine, which is found in coffee and tea, is a mild stimulant.
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Aqueous solutions of caffeine have a neutral pH.
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It contains not only caffeine but also theophylline, a compound that can ease the symptoms of a cold.
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Ceasing caffeine consumption five to six hours prior to sleeping, thus allowing more time for the body to metabolize the caffeine, will lessen these side-effects.
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In short, there is no simple answer to whether caffeine is, or is not, helpful in performing intellectual tasks.
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And it takes as long as getting your daily caffeine fix.
Times, Sunday Times
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As the roast darkens, caffeine and acidity decrease proportionately.
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I made myself a strong coffee, but he asked for a peppermint tea, saying caffeine was not good for him.
Times, Sunday Times
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The second major effect of caffeine is its increase of dopamine levels in the body.
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On one day, the coffee drinkers were given a 250-milligram dose of caffeine in the morning and again at lunchtime, equivalent to four cups of coffee in total.
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Man, the best thing I ever used to deal with energy loss and caffeine dependence is this stuff called Verve.
Beat Caffeine Addiction, Then Stay Awake With Placebos | Lifehacker Australia
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Cut down on caffeine and avoid excess booze.
The Sun
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The medium/high caffeine consumers who got the placebo reported a decrease in alertness and increased headache, neither of which were reported by those who received caffeine.
Caffeine Addicts Get No Real Pick-Me-Up From Their Morning Cup of Coffee | Impact Lab
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On oxidation with nitric acid caffeine gives cholesterophane (dimethyl parabanic acid), but if chlorine water be used as the oxidant, then it yields monomethyl urea and dimethyl alloxan (E. Fischer).
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
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If you are a real caffeine addict, then have the breakfast juice from day two each morning.
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The ease of transplantation of tobacco stands in stark contrast to the caffeine crops.
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Cafergot, a mixture of ergotamine tartrate and caffeine, is used to treat or prevent vascular headaches such as migraine and cluster headaches.
25 Reasons You Should Drink More Coffee
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But for athletes and others who are likely to perspire heavily, excessive consumption of caffeine could lead to dehydration.
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Cut the caffeine: Settle for a "half-caf" or decaf.
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Avoid caffeine from midafternoon and have chamomile tea before bed.
The Sun
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Coupled with tyrosine, the caffeine in guarana helps promote muscle performance and neurotransmitter regeneration.
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Many students overlook the fact that self-destructive behaviors such as overindulgence in alcohol or caffeine, drug abuse, and ignoring signs of fatigue are manifestations of self-violence.
American Yoga Association Beginner’s Manual Fully Revised and Updated
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Rooibos tea - It's caffeine-free and relieves nervous tension associated with caffeine withdrawal.
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He studied the tissue distribution and metabolism of caffeine, amphetamines, ephedrine, and narcotic drugs.
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To use that, you must have a scale that measures to within about 10mg, because 1 gram of caffeine is nearly toxic, you only need about 1/10 of that (one cup of coffee) or a little more.
P2P: just an excuse for ACTA
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Some people find that coffee brings out tremor; this is due to the presence of caffeine, which is an excitant; these effects are not, however, universal.
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Chocolate is also a source of several mood-elevating constituents, including tryptophan (precursor to serotonin), anandamide (a natural brain chemical very similar to the cannabinoids in marijuana), theobromine (far milder cousin to caffeine), phenylethylamine and magnesium.
Dr. Nicholas Perricone: How Sweet It Is: Good News About Chocolate and Cocoa
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D-San Jose, will have better luck banning "alcopop" in California than funding programs aimed at cleaning up some of the wreckage induced by alcohol, caffeine-spiked or not.
SFGate: Top News Stories
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Tests showed for the first time that a dose of caffeine makes it harder to forget something.
The Sun
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Think: no oxidant-creating smoked food, very little caffeine and alcohol, plenty of water and brainboosting oils.
Times, Sunday Times
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Enviga combines caffeine and the antioxidant EGCG (Epigallocatechin gallate), found naturally in green tea leaves, to speed up the metabolism.
Introducing ‘Negative-Calorie’ Green Tea | Impact Lab
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Some even insert caffeine suppositories before a race in an attempt to provide a sustained dose with no stomach upset.
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Now, it's been known for a few decades that this particular CYP1A2 gene is what metabolized caffeine, Caporaso said.
Coffee addiction may be grounded in genes
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Even more surprising, blood pressure was increased in the nonhabitual drinkers who drank only decaffeinated coffee, suggesting that substances in coffee other than caffeine may have an effect on the heart.
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It is a reasonably powerful hallucinogenic substance, not just a plant, and like any other drug, including those such as caffeine and paracetamol, may cause damage depending on how, and to what extent, it is used.
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Spiked with caffeine and taurine - an amino acid that increases the heart rate - its taste was like no other.
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The advantage of coffee is that, like other sources of caffeine, it is a good provider of antioxidants.
Times, Sunday Times
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Ingestion of even a small cup of caffeinated coffee or even a caffeine pill at the same time as one eats, has been shown to ameliorate the effects of low blood pressure.
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Hat tips to adgrunt Alex and queen ad-bee Caffeinegoddess.
Adland
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Since caffeine is usually a vasal constrictor, as the caffeine that the body is so used to wears out of the system, it narrows the blood vessels.
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Cut down on caffeine and avoid excess booze.
The Sun
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If you cut back, your body shows signs of caffeine withdrawal, like headaches, crankiness and sleepiness.
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It is a well-known fact that caffeine is a stimulant.
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The stimulant effects of caffeine in coffee are well known to help improve energy and alertness.
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Ensure your bedroom is at a comfortable temperature, don't exercise before bedtime and avoid stimulants such as caffeine and alcohol.
Times, Sunday Times
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Caffeine prevents mental and physical fatigue by blocking receptors that notify the brain of low energy levels.
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Plus, those drinks often have a slew of other ingredients of dubious value, such as taurine, l-carnitine, guarana also a source of caffeine, and glucuronolactone.
Coffee and kids
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The problem with caffeine as a stimulant is that we quickly become dependent.
Times, Sunday Times
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Cut alcohol and work on reducing your sugar and caffeine intake.
Times, Sunday Times
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The big reveal is that everyone, getting real caffeine or fake, saw their brain getting more blood flow and activity, and the placebo crew felt just as awake or tired throughout the day as their temporarily lucky counterparts.
Beat Caffeine Addiction, Then Stay Awake With Placebos | Lifehacker Australia
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Traditional skincare ingredients such as panthenol, niacinamide and caffeine have been shown to penetrate hair follicles and increase fibre diameter.
Times, Sunday Times
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Previous studies have linked caffeine to low birth weight and miscarriage.
The Sun
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Try to avoid alcohol and caffeine-containing beverages on the airplane, as they will accelerate dehydration.
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For pregnant women that are concerned, switching to decaff coffee will ensure that they are drinking less caffeine whilst still enjoying their cup of coffee.
Miscarriage and health risk warning over excessive coffee consumption
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He gave her seeds for the variety, and told her to roast the plant's seeds and grind them for a caffeine-free coffee substitute.
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Pharmacologically, caffeine is a kissing cousin of theophylline, and in high doses it can produce sympathomimetic effects.
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A typical 30-gram bar of milk chocolate contains about 6 milligrams of caffeine, which equals the amount in a cup of decaffeinated coffee.
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I get twitchy with caffeine, but get no internet connection.
Times, Sunday Times
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Cut alcohol and work on reducing your sugar and caffeine intake.
Times, Sunday Times
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A glass of water had the same effect on plasma noradrenaline concentration as two unfiltered cigarettes or 250 mg of caffeine.
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Sugar, caffeine and alcohol can make anxiety worse.
The Sun
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With the energy drinks, it seems to be more a combination of caffeine and taurine, which is one of the amino acids.
CNN Transcript Nov 7, 2007
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With coffee comes cannelés those little custardy "corks" with a dark caramelised shell, a speciality of Bordeaux that go so well with any alcohol or caffeine-led drink.
Evening Standard - Home
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Avoid drinks at bedtime that increase urine production, including those containing caffeine, acidic juices and fizzy drinks.
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Small amounts of yohimbine can improve central-nervous-system stimulation when taken alone or with low doses of caffeine.
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When trying to cut back on caffeine, do not switch to drinks containing yerba maté or guarana.
Times, Sunday Times
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I am sorry to say that such is my desperation for caffeine that I have been forced into drinking cupful after cupful of what is, in all honesty, the coffee equivalent of tramp cider or meths.
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Caffeine is addictive and hooks you in the same way as amphetamines, cocaine and heroin.
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This fresh minty morning, with its lackadaisical "cricketing," counterbalances so much caffeine, suggesting a new rhythm.
Guidon - French Word-A-Day
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Avoid spicy or acidic foods, keep your fluid intake normal and cut down on caffeine.
Times, Sunday Times
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As part of their marketing campaign, Coke and Nestlé, which developed the drink together, claimed Enviga can help consumers burn calories through a combination of caffeine and a green-tea extract called epigallocatechin gallate, both of which stimulate metabolism.
Coke, Nestlé Settle Enviga Dispute
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Three very similar compounds - all in this same group of alkaloids - are present in common beverages, namely caffeine, theophylline, and theobromine.
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The barista was busy serving the long queue of caffeine addicts and chatting about the previous night's antics.
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Caffeine is the active constituent of drinks such as tea and coffee.
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Caffeine is the active constituent of drinks such as tea and coffee.
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Caffeine received no better press in the twentieth century.
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Coffee, tea and chocolate contain a poisonous alkaloid which is generally called caffeine.
Maintaining Health Formerly Health and Efficiency
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In short, there is no simple answer to whether caffeine is, or is not, helpful in performing intellectual tasks.
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Other important alkaloids are caffeine, ricinine, and quinine.
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Alkaloids are well known in human history for their pharmacological effects and include such well-known compounds as atropine, morphine, codeine, heroin, nicotine, caffeine, cocaine and quinine.
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Drinking coffee with caffeine is like pouring petrol on a fire.
The 8-Week Cholesterol Cure
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That only leaves the readily available cognitive enhancers caffeine and nicotine.
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Remember that many soft fizzy drinks such as cola contain caffeine too.
Healthy By Nature
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To maximize its effectiveness, it is often added to products that also contain caffeine, as well as guarana or mate.
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Scientists have discovered a strain of arabica coffee plants that do not produce caffeine.
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Some of the new findings, though, support previously unsubstantiated folk wisdom about alcohol and caffeine.
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Between the milk and the caffeine it puts a spring in your step.
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Do not drink anything that is carbonated or has caffeine in it.
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This work, carried out between 1882 and 1906 showed that various substances, little known at that time, such as adenine, xanthine, in vegetable substances, caffeine and, in animal excrete, uric acid and guanine, all belonged to one homogeneous family and could be derived from one another and that they corresponded to different hydroxyl and amino derivatives of the same fundamental system formed by a bicyclic nitrogenous structure into which the characteristic urea group entered.
Emil Fischer - Biography
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Another impediment to methylphenidate ever being placed alongside NoDoz and other caffeine pills is its potential for causing cardiac arrhythmias and for abuse as a recreational drug.
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If you have a painful joint or a headache, take a pain pill before bedtime (but be sure it doesn't contain caffeine).
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Rossignol and Phillis theorize that this pattern of caffeine use may reflect an unsuccessful attempt by the women to self-medicate with caffeine.
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If you can't go without caffeine, try some matcha green tea.
Times, Sunday Times
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Tests showed for the first time that a dose of caffeine makes it harder to forget something.
The Sun
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Thus, with the exception of water, all of the most popular beverages on earth contain either caffeine or alcohol.
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The amount of caffeine in this diet alone is causing nutrients to be stripped from your hormones and thyroid gland.
The Sun
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It has the same chemical composition as caffeine, and the same physiological action.
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Ephedrine and the xanthines, such as caffeine and theophylline, increase metabolic rate.
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As little as 50mg of caffeine can produce pharmacological effects.
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Caffeine and alcohol make you pass more urine or irritate your bladder and give you urgency.
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The rest of the day was spent consuming massive amounts of diet soda and rediscovering the fact that too much caffeine made her twitchy and a little off kilter.
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Each of the seven decaffeinated coffees contained some caffeine, although all contained Less than 18 mg per serving.
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Both alcohol and caffeine have also been linked to an increased risk of miscarriage.
The Sun
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It takes five to fifteen times as much ginseng as aspirin or caffeine to produce toxicity in animals.
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You should also avoid alcohol and caffeine.
The Sun
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Caffeine and even excessive black licorice may keep your blood pressure elevated.
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He eschews coffee, cola or any other form of caffeine.
Times, Sunday Times
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Chemical dependency can resort from many things: alcohol, caffeine, illegal drugs like cocaine, legal drugs like pain-killer .
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Imported teas contain far less caffeine than U.S. black teas: half as much in oolong and one-third as much in green teas.
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Second, the story is a reminder that caffeine, like alcohol, freely crosses the placenta.
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If you're truly sensitive to the jitters, herbal blends are caffeine-free, and some black teas are decaffeinated.
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Alkaloids have been described as components of plant defence responses and the two main alkaloids found in cocoa are caffeine and theobromine.
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However, assuming the effects are due to caffeine, tea drinkers as well as coffee drinkers will benefit, or suffer, alike.
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As a result, caffeine dilates your pupils, speeds your heart rate, constricts your blood vessels, raises your blood pressure, and tightens your muscles.
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Caffeine is often added or ‘stacked’ to ephedrine-based products, as it enhances and prolongs ephedrine's effects; the herb guarana is also a source of caffeine.
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Few street corners now fail to offer Britain's army of caffeine addicts a fix.
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He tested strychnine, thebaine, coramin, caffeine, brucin, absinthe and, finally, camphor dissolved in oil seemed to best meet his needs.
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But the floral nectar of some plant species also includes small quantities of substances known to be toxic, such as caffeine and nicotine … Caffeine is found at concentration levels of 11-17. 5 milligrams per liter, mostly in citrus flowers.
Bees Prefer Flowers with Caffeine | Impact Lab
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The research provided the experimental basis of tea caffeine applied in drug withdrawal.
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The chance of conception may be reduced by smoking, caffeine, and use of recreational drugs.
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The European Renaissance population was increasingly urbanized and divorced from traditional folk remedies, allowing caffeine beverages to be introduced as exotic medicinals.
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Ephedra alkaloids commonly are combined with caffeine or botanical sources of caffeine (e.g., guarana, yerba mate) for weight loss.
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Although chocolate has the reputation for being loaded with caffeine, it actually contains very little - about the same amount as one cup of decaffeinated coffee.
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Whether caffeine is the root cause of your insomnia or just a contributing factor, your caffeine consumption needs to be addressed.
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Abuse of combination analgesics containing phenacetin, antipyrine (phenazone) and caffeine have been associated with urinary tract tumors.
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Get an eye cream on as soon as you can: look for zingy ingredients such as caffeine, green tea and ginger.
Times, Sunday Times
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Too much caffeine makes me shaky and wired.
Times, Sunday Times
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Caffeine is a drug that in large amounts, especially over an extended period of time, can lead to a condition termed "caffeinism.
Evil Caffeine!
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Limit the amount of caffeine you consume to no more than two cups of coffee per day.
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Based on these assumptions, she and other witnesses testified that they believed Tegan had been poisoned with time-released capsules containing caffeine.
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If you like caffeine, you can include two or three tea bags of either black or green tea.
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Caffeine is unquestionably the most widely used mood-altering drug in the world.
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On the Rebound Since caffeine is relatively inexpensive and widely available, the dose escalation induced by tolerance is seldom burdensome.
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They have a similar effect to tea or coffee, since they contain the same alkaloid, caffeine.
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Unfortunately, when mixed with sugar and ingested in high doses, caffeine is highly addicting and can induce hypokalemia abnormally low serum potassium.
Cathy Margolin, L.Ac. Dipl. OM: Fast Food vs. Fast Natural Food
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Launched in 2002 by the Caffeine Awareness Alliance, the campaign calls attention to the risks associated with caffeinism and caffeine withdrawal syndrome, a disorder recognized by the psychiatric community.
PR.com Press Releases
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We order drinks, elderflower cordial for my wife, a nice cup of brain-bothering caffeine for me, and then our meals.
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There are other alternatives such as herbal teas, and some soft drinks such as seltzer, fruit-flavored soft drinks, or ginger ale, which have never contained caffeine.
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For reasons that remain obscure, caffeine significantly increases the analgesic effectiveness of both aspirin and aspirin substitutes such as acetaminophen.
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The former has previously been linked to the process by which caffeine is metabolized, while AHR regulates the activity of CYP1A2.
Coffee addiction may be grounded in genes
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It is best to withdraw gradually from caffeine to avoid headaches.
PCOS DIET BOOK: How you can use the nutritional approach to deal with polycystic ovary syndrome
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The problem with caffeine as a stimulant is that we quickly become dependent.
Times, Sunday Times
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Regardless of the causative agent, the tremors and twitches experienced by some users of caffeine are usually harmless.
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Avoid caffeine-packed coffee, tea and cola late at night.
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They were brought up on sweet beverages and soda, and on caffeine.
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Although an hour in the dentist office whitening chair isn't much to spare, the thought of dealing with the 24-hour kibosh on caffeine and other stain producing substances keeps us jonesing for an iced trippio, presto.
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I discover later that I am suffering from the effects of "caffeinism" - a withdrawal from caffeine.
Evening Standard - Home
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There are three ways of removing caffeine from the coffee bean.
Times, Sunday Times
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Caffeine stimulates the central nervous system, thus increasing neuronal activity and brain function.
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It's a huge skull full of nasty things like rats and guts and caffeine and lifeless craniums and free stuff from the sponsors.
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If you're caffeine-sensitive, you may want to choose your tea based on the caffeine content in one cup.
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Energy drinks typically contain other compounds that are also high in caffeine, such as guarana, yerba mate and cocoa.
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You also can steep herbs in hot water for caffeine-free teas.
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Stimulants like caffeine and guarana suppress appetite and enhance metabolism slightly.
The Sun
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Sugar, caffeine and alcohol can make anxiety worse.
The Sun
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As we will see in more detail in the next chapter, the body adapts quickly to caffeine.
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Favor simple, bland foods and cool drinks, and avoid alcohol and drinks with caffeine.
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As with any addictive substance, there is a reason we get hooked on caffeine in the first place.
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It is universally accepted that caffeinated tea raises metabolic rate because caffeine is a stimulant.
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Tests showed for the first time that a dose of caffeine makes it harder to forget something.
The Sun
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Army veterans know that APC (aspirin, phenacetin, and caffeine) remains a time-tested treatment for pain.
Gary R. Gaffney: The Myth of the Myth of HGH as Performance Enhancing
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Attention originally focused on the way caffeine affects muscle contraction and reflexes.
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I'm pretty sure that Dr. Seltzer's was comprised of pain reliever + caffeine.
Hangover Cures: Myth, Legend, Fact | Lifehacker Australia
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This is why caffeine is the active ingredient in many prescription and nonprescription migraine treatments.
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From what I hear it's basically a stimulant similar to caffeine but without the crash at the end.
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The evidence of developmental problems arising from lower levels of caffeine consumption is less clear.
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I need my fix of caffeine in the morning or I can't think.
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Studies have shown that women who reduce their caffeine intake two weeks before menstruation suffer less premenstrual breast tenderness.
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Another tip is to use coffee grounds to exfoliate - the caffeine will be absorbed thru your skin and it'll increase the circulation in your face.
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The standard dose of alcohol is thus roughly 142 times larger than the standard dose of caffeine.
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I quit drinking coffee and bought a bottle of caffeine tablets.
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The association of tannin with caffeine allows the caffeine to be released slowly into the blood.
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In fact, for some people, caffeine may actually make it harder to eat a balanced, healthy diet.
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Caffeine has been linked with an array of health issues including insomnia, anxiety and stress incontinence.
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In the nectar of grapefruit flowers, however, caffeine is present in much higher concentrations, reaching 94.2 milligrams per liter …
Bees Prefer Flowers with Caffeine | Impact Lab
