SAY WHEN... "Drink at least eight glasses of water a day!" It may have the ring of authority, but when physiologist Dr. Heinz Valtin searched for scientific evidence behind the dictum, he found the glass empty. Hot weather and exercise raise our H2O demands, but for most folks, says Valtin, eight is unnecessary, and excessive water intake can increase exposure to pollutants and in rare cases cause health problems.
FUNGAL FEVER Lethal fungus infections, once rare in the developed world, are spreading because of the rise of AIDS, chemotherapy and organ transplants. Antifungal drugs, however, often have terrible side effects. A...
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