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.

Your immune system can’t fight what it can’t see. Scientists say low levels of a common amino acid may make it harder for cells to display warning signals that alert immune defenders to viral and cancer threats. That’s just one of many reasons to support it…

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.

Coffee has been linked to liver health before. This time, however, researchers saw changes in blood proteins, alongside findings inside the liver itself, that make the connection much harder to dismiss…

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.

Researchers found a way to retrain cells deep inside the bone marrow, helping the body produce stronger cancer-fighting cells. The surprising catalyst behind this remarkable discovery? A simple food-grade supplement.

Microplastics are nearly impossible to avoid. But research suggests they may do the most damage when they encounter a liver already struggling with fat, inflammation and poor metabolic health. Here’s how to strengthen your defenses and reduce your exposure.

Vitamin C has a reputation for boosting the immune system and supporting skin aging. But brain scans reveal a much bigger role: one tied to gray matter, brain connections and cognitive aging. Keeping your levels up may be easier than you think…