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Waning Whooping Cough Immunity Blamed in Outbreaks

Teens have very little protection just a few years after vaccination, study finds

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Health Tip of the Day

Better Sit-Ups

To isolate the abdominal muscles when you do sit-ups, lift your upper body only about 6 to 10 inches off the floor, say researchers at the University of Louisville. To help concentrate on isolating these muscles, don't listen to music or watch television while doing sit-ups.