Beware of These Effects of Caffeine on the Body

Caffeine is the most popular drug in the United States and the least regulated one.

Up until about two decades ago, the only foods with added caffeine were soft drinks. And the Food and Drug Administration (FDA) limited their amount of caffeine to 48 milligrams per eight ounces.

That changed in 1997, when the first popular energy drink—an Austrian import called Red Bull— landed on our shores. Every 8.4-ounce can of the sweetened fortified water contains 80 mg of caffeine.

Truths About the Benefits of Green Tea

Green tea is hot. You can buy a bottled green tea beverage just about anywhere these days. And food manufacturers are adding green tea or its extracts to everything from coffee to juice drinks.

How good is the evidence regarding the benefits of green tea and your health? Studies in laboratory animals are impressive, but compelling evidence in humans has been hard to come by.

Drinking tea regularly may be one of the most practical lifestyle changes you can make to significantly reduce your risk of suffering a stroke,” says epidemiologist Lenore Arab of the University of California at Los Angeles. Arab co-chaired the Fourth International Scientific Symposium on Tea and Human Health in 2007.