This Is What Happens to Your Body When it's Shocked by Freezing Water
People who take the polar bear plunge often talk of feeling invigorated, like they've downed a shot glass of pure energy.
This Week in Science
Tortoise DNA Might Hold the Answers to Living Longer
The scientists used the DNA of Lonesome George, the last known Pinta Island tortoise.
Orgasms Can Relieve Hiccups, Migraines, and Help Men Live Longer
And, shocker, there's scarce research on what they do for women.
Justin Lehmiller, PhD
These Five Charts Help Explain Why the South Is So Unhealthy
People in southern states die earlier from a variety of chronic conditions.
These Bats Don't Seem to Die of Old Age—Can They Help Extend the Human Lifespan?
Unlike in humans, the telomeres of long-lived bats do not appear to shrink with age.
Watching Fish Swim Is an Odd But Effective Way to Relax
Staring at a fish tank is like getting the healing benefits of nature on demand.
battle of the sexes
Men Don't Survive Harsh Conditions As Well As Women Do
Even as babies, females survived more during famine and epidemics than males.
Marriage Makes People Happier, New Study Finds
The effects lasted well into old age.
A Genetic Test Told Me My Body is 34 Years Old
I'm actually 27.
You'll Probably Live Longer if You Have a Dog
They're simply the best.
Dogs Who Live With Smokers Are More Likely to Die Younger
Dogs from smokers' homes showed signs of DNA damage.
Your Tweets Could Say a Lot About How Early You'll Die
Only one in five tweets express happiness, a new study found.