Caffeine: Physical and Psychological Effects (INeedCoffee.com) (#)
„The same dose of 200 mg keeps most people awake longer and causes sleep disturbances. Caffeine's stimulant qualities caused the National Academy of Sciences' Institute of Medicine to recommend ways to add caffeine to U.S. soldiers' rations. Since caffeine might give an athlete an unfair advantage, the U.S. Olympic Committee considers it a "performance enhancer", and regularly screens athletes for the drug. - from a paper presented at Penn State University by Robert L.“
http://www.ineedcoffee.com/02/04/caffeine/ - Cached
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International Coffee Organization
„Of all the physiological effects of coffee, the best known is that it is a stimulant to the nervous system. One or two cups of coffee can make one feel more awake, alert and able to concentrate. Caffeine has been shown to counteract fatigue and restore flagging performance. However, in sensitive individuals, caffeine may delay the onset of sleep, decrease sleep time and even lower the subjective quality of the sleep.“
http://www.ico.org/acoff/caffeine.htm
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„Yerba Maté supposedly does not contain caffeine, but rather a closely related compound called "mateine" which is a similar stimulant. Mateine is not as harsh to your body and does not produce the same addictive results. Others have claimed that the chemical compound within Yerba Maté is in fact caffeine, and to think otherwise is just wishful thinking.“
http://coffeetea.about.com/library/weekly/ aa040303yerba.htm
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- Coffee Science Information Centre
„It contains caffeine, which is a mild stimulant, and in many people coffee drinking enhances alertness, concentration and mental and physical performance. Although it contains a wide variety of substances, it is generally accepted that caffeine is responsible for many of coffee’s physiological effects. Because caffeine influences the central nervous system in a number of ways and because a small number of people may be particularly sensitive to these effects, some people have attributed all sorts of health problems to coffee. Caffeine is not recognised as a drug of abuse and there is no evidence for caffeine dependence.“
http://www.cosic.org/coffee-and-health/summary
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„Caffeine's best-known role, especially for early morning java drinkers, is as a stimulant. But two reports published online this week by the Proceedings of the National Academy of Sciences illustrate how the molecule may meddle in cell mutations that could lead to cancer. The good news is that topical application of caffeine inhibits the formation of skin tumors in mice.“
http://www.aboutcoffee.net/2002/08/ studies-illuminate-caffeines.html
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The fast facts behind the fat in your beverage.. - coffeecrew.com - victoria, b.c. canada
„Everything in moderation can be a good thing. In fact, black coffee, in moderation, is fine. By itself it offers no food value. The caffeine may or may not keep you awake or give you the jitters.“
http://www.coffeecrew.com/articles/.../ the-fast-facts-behind-the-fat-in-your-beverage...html
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