Caffeine and The Placebo Effect
Plants produce caffeine as a protective pesticide, paralyzing feeding insects. This powerful substance has been used as a stimulant for centuries. The use of caffeine as an energy booster dates back to the Stone Age through coffee, tea and cocoa. Synonymous with caffeine, coffee has grown into a $70 billion industry with no signs of slowing down. It's a good source of antioxidants, a social atmosphere, and a legal stimulant. Coffee drinkers come back for more because of its ability to increase alertness, focus, and stamina. It is no wonder why this drug is one of the world's most popular drugs.
Although the use of coffee for ergogenic purposes is socially accepted, it is addictive. When consumed on a daily basis, the body develops a tolerance. With this addiction comes withdrawal syndrome: Coffee drinkers have reported headaches, irritability, anxiety, fatigue and decreased concentration after missing their daily dose. However, the effects of caffeine may be a result of the expectations of the user rather than the drug itself (Harrell & Juliano, 2009). In this study we will examine caffeine's placebo effect.
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