Scientists recorded the brain's sleep switch firing in real time - and the feedback loop they uncovered reshapes what we know about deep sleep.

UC Berkeley researchers have traced the brain circuitry that releases growth hormone during deep sleep, revealing a feedback loop that drives overnight repair and influences when we wake. The largest ...

Hormones travel to all parts of our body to regulate vital functions such as metabolism, growth, reproduction, mood, and ...

A new study delves into the evolution and function of the human growth hormone receptor gene and asks what forces in humanity's past may have driven changes to this vital piece of DNA. The research ...

Growth hormone helps children grow in height and supports healthy metabolism. When a child does not have enough of this hormone, their growth may be slow. This is sometimes called growth failure.

While the steroid crisis in professional sports blares from the media, the impact of these doping role models is hitting close to home. There is evidence that kids are using these chemical substances ...

Hormones can impact every system in the body. Growth hormones and even insulin imbalances may even play a role in penis size and function. When you think about hormones, the first thing that may come ...