Caffeine
Description: an alkaloid that exists naturally in tea, kola nut and coffee.
Clearly toxic in high doses, can cause heart palpitations, high blood pressure, vomiting, convulsions, headache, diarrhea, frequent urination, dehydration, insomnia, stomach cramps, hand tremors, muscle twitches. Acts as laxative, also saps the body’s supply of calcium.
Used as a mild stimulant in moderation.
Wikipedia
Caffeine is a bitter white crystalline xanthine alkaloid compound that acts as a psychoactive stimulant drug and a mild diureticin humans. Caffeine was discovered by a German chemist, Friedrich Ferdinand Runge, in 1819. He coined the term “kaffein,” a chemical compound in coffee, which in English became caffeine. Caffeine is also called guaranine when found in guarana, mateine when found in mate, and theine when found in tea; all of these names are synonyms for the same chemical compound.
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