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.

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.

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 walking is enough for heart protection? A cardiologist explains why women who skip strength training may be missing out on an opportunity to lower heart attack risk by almost 45 percent…

Protein after 50 isn’t just about preserving muscle. Leucine, a key amino acid found in protein-rich foods, may also help support the mitochondria that power your cells, making it part of a bigger strategy for cellular energy and healthy aging.