Belly fat becomes increasingly common as we age. But researchers have discovered something that could make it far more dangerous: having too little of one important vitamin at the same time.

Three common midlife health risks may quietly chip away at your dementia-free years. Research suggests the difference could add up to nearly 13 years — and the good news is, these are risks you can do something about…

Most of us think heart attack risk comes down to clogged arteries. But a more immediate threat may be plaque that’s vulnerable to rupture. The good news? Several of the risks tied to dangerous plaque are ones you can change.

Most people know CoQ10 helps produce the energy your heart needs. What’s less well known is what it does for your arteries — a second job just as important. Here’s why CoQ10 can matter twice as much for your cardiovascular health.

Your muscles don’t necessarily have to act their age. In fact, much of what we think of as muscle aging may not be inevitable. Discover what staying active does inside muscle cells, and how key nutrients can support the energy that powers them.

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.

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.

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.

Think summer sunshine is enough to rebuild your vitamin D stores? New research suggests that for many people the “sunshine vitamin” may stay low all year long. And that could matter more with every passing birthday.