Never say no San Francisco takes controversial approach to addicts. Beware rabbit 'dust' Feces likely caused malady on Martha's Vineyard. Clue to cocaine addiction Cutting off dopamine, serotonin shuts off 'high'.
Study shows a possible way around controversial harvesting of embryonic cells.
Blacks less likely to get key stroke treatment Whites five times as likely to be given new clot-busting drug TPA, study finds. Better treatment sought for broken hips Thousands of elderly each year never fully recover from fall. Day-care study worries moms Anxious mothers seek answers after research links early day care to aggression. Wheeling, W. Va. residents told to take a hike As part of national trend, citizens urged to use trails, to encourage walking. Weight loss, exercise can prevent diabetes Study offers strong evidence that sedentary lifestyle contributes to illness.