New research shows feverish temperatures make it more difficult for viruses to hijack our cells. A mouse study suggests it's ...

B12 shots work fast but don’t last long. Most leaves your body within a day, though some is stored in the liver. Regular injections may be necessary to maintain steady levels, especially if you have ...

An almond-shaped structure deep in the brain controls people's feelings of hunger and fullness in an attempt to keep them at a constant body weight. In obesity, its signaling can be disrupted. When ...

Exactly how Tylenol — also called acetaminophen or paracetamol — relieves pain continues to evade scientists, but it's clear the drug interacts with one key set of enzymes. When you purchase through ...

Researchers reviewed numerous studies to understand how exercise reduces depression, from endorphins to stress hormones. Here ...

Imagine a world where every inch of you stays as fresh as a daisy on a spring morning. It might seem far-fetched if you often find yourself drenched in sweat and not smelling your best. Enter ...

Knowing that naloxone works by stalling the µ-opioid receptor in an early, latent state suggests that molecules that can bind more tightly or more selectively to this form of the receptor could be ...