Caffeine
Technically, a drug is a chemical substance used to prevent or cure disease or
to enhance a person's physical or mental welfare. In fact, people use caffeine for all
of these purposes and caffeine can do all of these things, but usually in a very
limited way. The actual source of caffeine is the coffee bean, tea leaf, kola nut and
cacao pod. When isolated in pure form, caffeine is a white crystalline powder that
…
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…cup of coffee with 200 mg of
caffeine and 6 hours later about 100 mg of that caffeine is still in your system. You
may be able to fall asleep, but your body probably will miss out on the benefits of a
deep sleep. That deficit adds up quickly and the next day you feel worse, so caffeine
is needed first thing the morning. This cycle continues day after day, which is why
90% of Americans consume caffeine daily.
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