Chronic pain can rob you of sleep — and poor sleep can make pain feel even worse. Researchers say a familiar bedtime supplement may have an unexpected advantage: It appears to target both sides of that vicious cycle.

That cool, smooth sensation from a vape may seem harmless. But researchers have discovered that some of the very chemicals added to make vaping feel less harsh can interfere with the heart’s electrical rhythm, especially when nicotine is part of the mix.

From longer life, to better brain, liver and metabolic health, coffee’s reputation as a healthy beverage keeps getting stronger. Now researchers may have uncovered one of the cellular mechanisms behind its benefits, and caffeine appears to be far from the most important player.

Exercise is great for the brain. And if your exercise game includes bodybuilding, you may have an edge over the rest of us: halting the progression of Alzheimer’s. But if weight training is off the table for you, there’s an easier way…

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.

You watch what you eat and your cholesterol and blood pressure, all to protect your heart. What about the threat that could be lurking in your mouth, triggering inflammation and calcium buildup in your heart valves?

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.

Losing those first pounds may feel impossible. No wonder those weight loss drugs, even with a growing list of side effects, are popular. But what if you could naturally regulate your appetite, without the risk or expense?

Cancer is rising in adults under 55, and researchers are looking beneath the surface for answers. A surprising clue points to a hidden change inside some younger bodies that could reshape ideas about cancer and aging.

Exercise does more than help build muscle. It could reverse a key driver of muscle aging by helping older muscle cells restore the cleanup-and-repair systems they need to stay strong, responsive and ready for the life you want to keep living.

Feeling drained after checking the news isn’t a sign of weakness. Your brain is wired to lock onto danger, and today’s nonstop headlines can keep your nervous system stuck on high alert. Here’s how to stay healthy while staying informed…

Does summer cause weight gain? The answer is yes, and the research is fairly consistent on this. So let’s talk about why it happens and how to avoid the trap…