How to protect your children against measles, mumps, chickenpox and more.

How will you look in 20 years?

Here's the lowdown on what works, and what to avoid.

Infections from a deadly, drug-resistant strain of bacteria spreading around the nation tripled in Chicago in the past year, according to a recent survey in the city.

What to keep and not to keep in your cupboard of cures.

Tadpoles could regrow their tail within an hour of treatment.

South Asians have a higher risk for diabetes and heart disease than white Europeans with the same BMIs.

Teens who are heavy users of alcohol or marijuana end up with more than a high.

Brain changes related to forgetfulness are associated with aging, but aging alone does not cause memory loss.

Are we better off slathering on sunscreen or donning sun protection clothes?

Even with recent advances in safety and increases in drivers' compliance with the rules of the road, traffic crashes are still the leading killer of Americans under age 35.

The issue of stopping American from getting fatter continues to cook up controversy.

Nobody wants to get sicker in a hospital than they were at home, but that's the reality for 1.7 million Americans every year, who develop healthcare-associated infections (HAIs).