While steroids enhance muscle growth, they also cause liver damage and 'roid rage.
You probably know that the way to stronger muscles is a weight or resistance training program, but do you know how weight lifting increases strength?
Scientists have been experimenting with ways to tackle problems like the muscle loss that occurs with aging. Learn more on this Moment of Science.
How do steroids work, and what makes them so dangerous? Find out on this Moment of Science.
Starfish can regenerate their legs, worms can survive being cut into, but what creature can actually fix a broken heart? Find out on this Moment of Science.