Caffeine - Wikipedia, the free encyclopedia
Caffeine is a bitter, white crystalline xanthine alkaloid that is a psychoactive stimulant drug. Caffeine was discovered by a German chemist, Friedrich Ferdinand Runge, in 1819.
Caffeine - Simple English Wikipedia, the free encyclopedia
Caffeine is a drug (or chemical) that is found in plants. In large amounts it can kill humans and other animals. Even small amounts can kill some animals, such as dogs.
Caffeine
Though coffee and tea contain a whole host of chemicals and substances, the one that concerns most people is the caffeine. Maybe it's not as bad as you thought?
caffeine - definition of caffeine in the Medical dictionary - by the ...
Caffeine Definition. Caffeine is a drug that stimulates the central nervous system. Purpose. Caffeine makes people more alert, less drowsy, and improves coordination.
HowStuffWorks "How Caffeine Works"
Caffeine is one of the most commonly-used drugs -- 90% of Americans use it. Learn why caffeine is America's most popular drug and what it does to your body.
Caffeine, Stress and Your Health - Is Caffeine Your Friend or Your Foe ...
Caffeine is a drug, popularly consumed in coffee, tea, soft drinks and, in smaller doses, chocolate. While we seem to have a love affair with these products, there’s been quite a ...
Caffeine
Caffeine has many metabolic effects. For example, - It stimulates the central nervous system. - It releases free fatty acids from adipose (fatty) tissue. - It affects the kidneys ...
Caffeine - Psychology Wiki
Caffeine is a bitter, white crystalline xanthine alkaloid that acts as a psychoactive stimulant drug. Caffeine was discovered by a German chemist, Friedrich Ferdinand Runge, in ...
Caffeine @ National Geographic Magazine
Caffeine Step into the world of writers and photographers as they tell you about the best, worst, and quirkiest places and adventures they encountered in the field.
Caffeine - Simple English Wikipedia, the free encyclopedia
Caffeine is a drug (or chemical) that is found in plants. In large amounts it can kill humans and other animals. Even small amounts can kill some animals, such as dogs.
