Author: Art Jahnke

Fitness

Why Do Muscles Twitch After a Workout?

Why do muscles twitch after a workout? The short answer, according to the LA Times, is lots of reasons. Want more specifics? The Times puts the question to Dr. John Su, a sports medicine physician at UCLA, who says twitching could be caused by insufficient energy in the muscles. According […]

Health

Why Steroids Weaken Bones

For years, doctors have known that steroids, such as cortisone, can leave bones weaker than they found them. Now they know why. The America Association for the Advancement of Science (AAAS) reports that scientists have long suspected that steroids interfere with the process of bone remodeling, in which cells called […]