What Exactly Is Vitamin D? Despite its name, vitamin D isn't a vitamin—it's a hormone. Unlike traditional vitamins that we must obtain solely from food, our bodies can produce vitamin D naturally when ...

Growth hormone, produced by the pituitary gland, plays a critical role in cell regeneration, growth, and maintaining healthy body tissue, including the brain and vital organs. While synthetic human ...

Struggling to see gym results? Your workout isn't the problem—your recovery is. Discover why high-quality sleep and active ...

Overall, the dominant message was simple: progressive overload is the mechanism that reliably drives muscle growth, ...

During sleep, the brain produces growth hormone to help build muscle and bone and reduce fat. UC Berkeley research in mice reveals the brain circuits that regulate growth hormone release, along with a ...

Sleep is often treated as downtime, a passive break between the real business of being awake. But a new study has revealed that sleep is active, essential biology, showing how the brain uses the night ...