healthy. Bodybuilders, for example, rely on deep sleep to boost levels of growth hormone, which builds muscle and burns fat.

Growth hormone plays a major role in how the body handles sugar and fat, so not getting enough sleep could also increase the risk of gaining weight, developing diabetes, or having heart problems.

Human growth hormone (HGH) is a hormone that’s essential to our development. Most people produce enough HGH throughout their lifetime. But for those with a deficiency in growth hormone (or a few other ...

Most people are familiar with anabolic steroids some athletes and bodybuilders use to build extra muscle and fitness. These performance-enhancing drugs are effective but can be very dangerous, as well ...

NEW YORK -- Experimentation with human growth hormones by America's teens more than doubled in the past year, as more young people looked to drugs to boost their athletic performance and improve their ...