Lower electric bills. Longer-lasting bulbs. Energy-saving lights sound like a win, but could we be paying with our health? Researchers are sounding an alarm about effects on healthy aging, metabolism, cellular energy, liver health and more.

For thousands of years, Traditional Chinese Medicine has praised one herb for supporting circulation and brain health. Now research is stacking up that this ancient herb could be the difference between losing or keeping cognitive abilities after a stroke.

Stress doesn’t always end when your day does. Its biological effects can reach areas of the brain involved in memory and thinking. And, oddly enough, show up in our saliva to offer an overlooked clue about brain aging.

Protein is everywhere right now — but researchers are asking whether constantly adding more is really the best strategy for healthy aging. A major review suggests that, for some people, the answer may lie in doing the opposite.

Selenium plays a role in many bodily processes, including reproduction, thyroid function, and protecting the body from free radicals and infection. But what it can do to slow brain aging got our attention, even in the event of stroke…

Poor sleep and memory changes often show up together. New research suggests one familiar vitamin may matter more than expected during this early window of cognitive change — but the dose linked to the strongest result may surprise you.

Researchers restored a fundamental process inside severely damaged brains, and what happened next challenged assumptions about how permanent Alzheimer’s damage may be. The finding points toward an overlooked piece of the puzzle.

Always tired or struggling to stay motivated? That can sound an awful lot like chronic fatigue. New research points to a blood marker that may help explain why — and it’s one already linked to heart and brain health.

You may buy “clean” shampoo, fragrance-free lotion or non-toxic cleaners to limit what comes into your body and your home. But lab testing of everyday products found far more chemicals than their labels revealed. Here’s what that means for making smarter choices.

For decades, you probably chose low-fat milk and yogurt to protect your weight and cholesterol. But when researchers had people eat three servings of full-fat dairy every day, what happened wasn’t what conventional wisdom would predict…

Body fat, belly fat and muscle are often top of mind when we think about diet and healthy aging. But a new study suggests your daily coffee habit may be influencing all three — along with your metabolism.

If you have hypothyroidism but still wake up exhausted, your thyroid may not be the only reason. Nearly half of people with low thyroid also had sleep apnea. That’s an overlap that can steal your deep sleep and raise heart risks.