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„Among its many actions, it operates using the same mechanisms that amphetamines, cocaine and heroin use to stimulate the brain. On a spectrum, caffeine's effects are more mild than amphetamines, cocaine and heroin, but it is manipulating the same channels, and that is one of the things that gives caffeine its addictive qualities.“
http://www.coffeeforums.com/ posting.php?mode=quote&p=4762 - Cached
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Caffeine and your body. - coffeecrew.com - victoria, b.c. canada
„Caffeine is an addictive drug, affecting 90% of all Americans, which alters the brain's natural state, and stimulates it in a manner similar to the amphetamines cocaine and heroin. The mechanisms employed by caffeine, cocaine, and heroin, are to close blood vessels in the brain, so the brain and body cannot sleep, to cause the release of adrenaline into the body, so the body remains active and alert, and to manipulate dopamine production in the brain, so the person experiences a temporary "high." Caffeine may be found in its natural state in many plants, including tea leaves, coffee beans, and cocoa nuts. The pure form of caffeine is a bitter, white, crystalline powder derived from the decaffeinating process of coffee and tea. The vast number of products in which caffeine comes, range from coffee, to tea, to colas, to milk chocolate, and to pain relievers, just to mention a few.“
http://www.coffeecrew.com/articles/.../ caffeine-and-your-body..html
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The Coffee Review - the world's leading coffee buying guide
„Insomnia and even twitching muscles and diarrhea may be among the effects. Very large doses of caffeine, the equivalent of about ten cups of strong coffee drunk in a row, produce toxic effects: vomiting, fever, chills, and mental confusion. In enormous doses caffeine is, quite literally, deadly. The lethal dose of caffeine in humans is estimated at about ten grams, or the equivalent of consuming 100 cups of coffee in one sitting.“
http://www.coffeereview.com/ reference.cfm?id=116
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Effects of Coffee and Tea on Bone Health
„The link between caffeine intake and bone loss is not clear, as many studies have shown. Researchers have found a higher rate of spinal bone loss among coffee drinkers (3 or more cups per day), but bone loss in the hips and legs seem uneffected by caffeine consumption.“
http://coffeetea.about.com/library/health/ blh_bone.htm
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Amazon.com: Gourmet Food: Decaffeinated Ground Gourmet Coffee
„With Britt Decaffeinated, you can enjoy the taste of Costa Rican export quality coffee, without caffeine. Among coffee gourmets, Costa Rican coffee is famous for being one of the finest coffee varieties to decaffeinate. It's really hard to tell this is decaf, due to the dark roast we give it, ensuring an improved and unique taste, not normally found in any other decaf beverage.“
http://www.amazon.com/exec/obidos/tg/detail/-/ b0001uk0dq?v=glance
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„Caffeine is addictive, it's true-- research shows that, although humans seem not to develop tolerance to caffeine (ie do not need more and more, over time, to get the same results, unlike, say, heroin) it does appear that caffeine does cause dependence in humans. This means that the body becomes used to receiving a certain amount of caffeine at regular intervals and temporary effects, such as headache or fatigue, will be apparent each time caffeine is not received when the body expects it. These symptoms are, however, short-lived and usually disappear in several days. Slowly tapering off consumption of caffeine will minimise these effects.“
http://www.sweetmarias.com/health.eco.html
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