Prologue: The True Nature of the 'Input Information' That Shakes Our Daily LivesFrom the moment you wake up in the morning, ...

Biohackers are embracing Tasso+, a button that draws blood without a needle and measures testosterone, as the market for DIY ...

In July, a panel of FDA advisers recommended the agency drop restrictions on six peptides. That recommendation went against ...

Cortisol has been cast as a modern health villain, seeking to slowly destroy you. But it’s actually a critical hormone.

Most people can make it through seven or eight hours of sleep without once thinking about food. So when you bolt awake at 2 a.m. with your stomach growling, it feels almost irrational. Your body, ...

There are many hormones that raise blood sugar, but insulin is the only primary hormone that lowers it. When I first learned ...

A chemical used to make plastic more flexible, once introduced as a safer substitute for older additives now known to be ...

While hair growth shampoos aren't worth your dollars, medicated versions may be. No wonder finding something that works feels like a guessing game. But you're not out of options. Here, experts share ...

You trained hard, ate your protein, and then went out and had a real night of it. The nagging question the next morning is whether you just flushed the session down the drain. The honest answer is a ...

When we talk about anti-aging skin care, it’s not with any disdain toward getting older — we all know it’s a privilege. Rather, we want to highlight the things we love about ourselves; and this ...

I’ve been a beauty reporter for over a decade, and now that I’m over 40, I’m looking for skin care that works quickly and effectively.

The pituitary gland is a small organ at the base of the brain responsible for hormone production. Specifically, it regulates chemical messages throughout the body to dictate how other organs should ...