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Caffeine
Beginning of essay
, is it a helpful drug or a hazardous toxin? is a naturally occurring substance. It is found in seeds, leaves or fruits in about 60 plants. Beverages with in them have been consumed since 2700B.C.. People all over the world consume every day. Many people have various ideas on the way affect ....
Middle of essay ....The men rode exercise bicycles while the scientists recorded blood pressure. The participants then drank a double espresso, waited thirty minutes and rode the bike again. The experiment proved that the men's hearts used less oxygen while pumping more blood after they drank the coffee.(Travis, 360)
In The Buzz About , published in Better Homes and Gardens, May 1995, the author believes that has both good and bad effects one one's health. The article says that stimulates the brain, this makes.... |
Number of words: 761 |
Approximate pages: 3 |
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