AP - Maybe men had it right all along: It doesn't take long to satisfy a woman in bed. A survey of sex therapists concluded the optimal amount of time for sexual intercourse was 3 to 13 minutes. The findings, to be published in the May issue of the Journal of Sexual Medicine, strike at the notion that endurance is the key to a great sex life.

AP - Having a defibrillator at home can help a heart attack survivor live through a second crisis, but so can CPR and at a much lower cost. That's the bottom line from the first test of using these heart-shocking devices in the home.

AP - A small study of toddlers finds that about one-quarter of babies born very prematurely had signs of autism on an early screening test. The research is preliminary since formal autism testing wasn't done. But the results are provocative, suggesting that tiny preemies may face greater risks of developing autism than previously thought.