New research and recovery techniques suggest we have more time to restore cognitive abilities after a traumatic brain injury than doctors previously thought.

A diverse diet doesn't necessarily mean a healthy diversity in intestinal bacteria. In fact, it may mean just the opposite.

Mother always said to drink your, uh, sunscreen?

Resveratrol not the cure-all we thought it was.

It's never too late to start training, just keep at it

Study finds correlation between lack of exercise and deficient long-term memory.

"As Seen On TV" equipment may not get you any results—as we've said all along.

You fall, hit your head, and suffer a concussion. How long will it take to recover? It depends.

If you've been fruitlessly spinning your creative wheels you might want to take a cue from Stanford University researchers and try getting out on your feet instead.

At last, researchers may have a tool to diagnose the little-understood and controversial post-treatment Lyme disease syndrome.

You can binge without blowing your diet. Seriously. And it won't make you lazy or too heavy to race. But that crash diet? It isn't going to work.

More people die from opioid overdoses than car crashes, and Zohydro is one of the strongest yet to hit the market.

Over, under or somewhere in between, your weight may not be as unhealthy as you think

Coffee can supercharge your workout, save your liver, and fight depression. So go ahead and pour yourself a second cup.

Does marathon training have heart health benefits for the average runner?

From the shape of your cereal to the size of your spoon, everything in your kitchen is designed to make you eat more.

We've long known that sleep is important to your health, but a new study shows that skimping on your shuteye can lead to a lasting loss of neurons.

Bites from lone star ticks have been blamed for causing red-meat allergies.

A drop of blood may be all it takes to tell if you've suffered a concussion.

If you're anything like the nearly 30 million Americans who treat their joints with glucosamine, recent research suggests it's time to reconsider.

Does exercise affect how drugs work in your body?

A recent study suggests that Lyme disease might be sexually transmitted. Just how seriously should you take the findings?

In a perfect world, we'd get plenty of both. But this is reality—and we have to choose. But can science really balance sleep against training?