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 ...

Researchers have discovered why cognitive performance improves after exercise: the ‘feel good’ hormone and neurotransmitter dopamine. They found that exercise released dopamine, which produced a ...

If you need one more reason to motivate yourself to be more physically active, you can add the exercise-induced hormone irisin to your list. In the past two years, scientists have discovered that a ...

Your hormones—molecules that help govern metabolism, energy, and other key processes—can fluctuate as you age. These changing levels can cause a number of health issues. But there are solutions.