How much caffeine is too much?

Latest studies show moderation is key

By Karen Collins, R.D.
Special to MSNBC

A day without a latte, cup of tea, or caffeinated soft drink is unthinkable for many people. Yet caffeine poses some health risks. Although individuals seem to differ in their vulnerability to caffeine’s influence, if drunk in moderation, the risks appear negligible.

Studies on caffeine discount any risk of cancer. A major report from the American Institute for Cancer Research, based on numerous studies, concluded that coffee has no link to cancer risk.

Drinking more than four cups of coffee a day, however, may increase the risk of heart problems. In fact, a new study suggests that even two six-ounce cups of coffee a day may increase blood test values that measure inflammation.

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