While sleeping, your brain switches on a powerful anti-aging hormone that helps preserve muscle and bone, reduce fat and support a healthier metabolism. Scientists have uncovered the brain circuit behind it, and how to help keep it working as you age.

Oxygen may be the gas that keeps us alive, while carbon dioxide is the gas we exhale. But between the inhale and the exhale, CO₂ may help regulate blood flow through the brain and even provide the pulse needed to wash damaging proteins away.

The message about the dangers of opioids is generally clear, though one has long been viewed as a safer choice for pain. But a new review found its pain relief may be surprisingly small, while its risks, including heart-related problems, are harder to ignore…

Most people expect pain after surgery. But one common vitamin deficiency could make that pain worse — leaving patients in need of more opioid medication to get through recovery. That’s not surprising once you know this vitamin’s pain-relieving links…

Most people think of peppermint as a remedy for digestion. But a new study found the minty herb may also help lower blood pressure, especially when numbers are just starting to creep up. The catch? How you use it matters…

Summer sun can do a number on your skin. But new research suggests one juicy fruit may help support your skin’s natural defenses from the inside out — by influencing genes tied to the skin barrier and oxidative stress.