Is health news helpful or just hype?

Published: May, 2009

Knowing the basics of scientific research and statistics can help you understand what medical studies really say

In the late 1990s, word that selenium and vitamin E might lower the risk of prostate cancer was reported by newspapers and magazines, broadcast on television and radio, and announced on Web sites. Eager to prevent the disease — and convinced that vitamins and minerals couldn't be harmful — men around the world began taking the supplements.

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