Caffeine Effects: Withdrawal, Sleep & Health Impact

Caffeine impacts everything from sleep quality to concentration and heart rate. Learn how long withdrawal takes, the diuretic effects on the body, and the potential risks of taking caffeine tablets with medication or alcohol.

Bad Effects of Coca-Cola

First brewed by Dr. John Stith Pemberton in 1886, Coca-Cola has grown into the world's best-selling soda brand. According to trade publication "Beverage Digest," Coca-Cola held a 17 percent share of the U.S. soda market in 2009, selling nearly 1.6 billion cases.

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