More Americans are injecting themselves with unapproved chemicals that are pitched as ways to build muscle, rejuvenate skin and extend life, the latest example of the nation’s fascination with ...

One of the most buzzed-about is GHK-Cu, also known as biotinoyl tripeptide-1. It’s the go-to ingredient in many ...

Men with higher testosterone levels produce body odors and smells that others rate as more dominant. This held up among other ...

Growth hormone receptor (GHR) signaling in bladder cancer is associated with advanced tumor stages and poor survival outcomes. High GHR expression in tumors up-regulates genes involved in drug ...

For parents whose children are undergoing growth hormone therapy, the focus might be on height and physical development, but ...

A naturally occurring gene called Cyclin A2 (CCNA2), which turns off after birth in humans, can actually make new, functioning heart cells and help the heart repair itself from injury, including 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 ...

A medical doctor and an expert in pharmacology, he ran drug testing for sports leagues and the Olympics, unlocking the chemical codes for previously undetectable designer steroids. By Richard Sandomir ...

Researchers have identified how thyroxine, a human thyroid hormone, can positively influence the life-critical calcification in soft corals, and have developed a unique technique for injecting ...