FDA to review researchers' request to test blood substitute on patients.
Enron founder Ken Lay's death puts new attention on stress and heart trouble.
Studies find no link between vaccines and rising rate of disorders like autism.
New findings show how job stress leads to high blood pressure.
Kenyan child whose face was mauled by a dog gets surgical reparations.
Surgeon General's study finds no risk-free level of secondhand smoke.
The number of older brothers a man has could influence his sexual orientation.
How do coffee and different varieties of tea compare in health value?
Water survival classes teach children strategies to avoid drowning.
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