Soda consumption is linked to tooth decay, dehydration, and even lung issues. Understanding the difference between clear and dark sodas—and the effects of diet sodas on weight loss—is vital for making healthier drink choices.
Caffeine is a mild stimulant that is naturally present in coffee beans, tea leaves, cocoa beans and kola nuts. More than 90 percent of Americans age 18 and older consume caffeine, reports a 2005 study published in the "Journal of the American Dietetic Association."
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The levels of some substances in your blood vary substantially, according to when and what you last ate. To control for variability introduced by eating, you must fast for a specific number of hours before certain blood tests.
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