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What Steroids Do to Your Body: A HealthCentral Explainer

On October 22, 2012, cyclist Lance Armstrong was stripped of his seven Tour de France titles amid doping allegations, despite no positive tests. Numerous baseball players already have been left out of the Hall of Fame for admitting to—or even suspici...

By Chris Regal

Relax with Muscle Therapy

When people think about muscles, they think about strength. However, muscles have two jobs: to contract and to relax. Muscle contraction causes the muscle fibers to shorten in length, pulling the attached bones with it. This muscle action is the base...

By Christina Lasich, MD