Aging

"I'd expected to see slowing down of the clock, but not a reversal," geneticist Steve Horvath said. "That felt kind of futuristic."

A co-author of the study told Newsweek the research could one day be used to help rejuvenate other tissues.

Louise Signore of the Bronx says her 102-year-old sister told her "I wish I never got married."

The study doesn't change the fact that smoking is harmful, a scientist stressed.

Lonesome George was arguably the most famous tortoise in the world for being the last of his species.

Florida seems to be losing its luster as the retirement capital of America.

In a mouse study, their life and health span extended by 10 percent.

Fasting appeared to boost health, lifespan and prevent age-related organ damage.

Forehead wrinkles could be a bad sign for heart health.

Scientists reversed signs of aging caused by a Western diet high in fat and cholesterol.

When the scientists turned off a mutation, wrinkled skin and hair loss reversed.

"I think the main thing that we are trying to do is improve health, not lifespan. An increase in lifespan could be a nice side effect."

Having high levels of body fat and low muscle mass could pose a double threat to cognitive health, scientists fear.

Wrinkles aren't just for skin.

A new study pinpointed how much exercise could prevent the heart from aging.

"We've been waiting for this structure for a very long time."

Sitting too much may be bad for your brain and body.

Researchers have long debated whether adult brains can create new cells.

Exercise boosts immunity and keeps cholesterol low.

Controversial study claims we don't make neurons after age 13.

The discovery "goes against everything we know in terms of mammalian biology."

One of the exercises involved making an "O" shape with the mouth in an effort to build cheek muscle mass.

"This 'dose' of exercise has become my prescription for life."

"I'm surprised that I'm 104," the woman said. "It just doesn't seem like I should be that old."

Groundbreaking insights are shedding light on this frustrating disease.

New guidelines from the American Academy of Neurology suggest that exercising twice a week could help keep the mind sharp.

Some children seemed to think birthday parties age people.

We've looked for anti-aging secrets in short-lived organisms from worms to yeast, but the killifish is a vertebrate, making it a much better analog to humans.

Hate exercising and eating healthy? A new approach to living a long life.

Why grey hair and balding is more than just a vanity issue.