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Nearly 1 in 3 Medicare patients undergoes an operation in the final year of life. The benefits are often limited, but the costs and side effects can be substantial.

If you sit too much during middle age — at work and at home — your ability to exercise or even walk in late decades is at risk, research hints. And, of course, your risk of heart disease climbs, too.

Nearly 1 in 3 Medicare patients undergoes an operation in the final year of life. The benefits are often limited, but the costs and side effects can be substantial.

The biological effects of lifelong exposure to racism or other sorts of discrimination can be complicated, scientists say, but likely tap into the same mechanisms as other types of chronic stress.

About 10 percent of seniors in the class of 2016 left district-managed schools. Contrary to suspicions they were pushed out to boost the district's graduation rate, seniors have always been leaving.

New software introduces programming skills to pre-readers. Is this 21st century literacy? Or too much, too soon?

A high-end Bangkok bistro has devoted its entire menu to insects, hoping to entice intrepid eaters to try what's been called "the future of food." But will haute bug cuisine catch on in other places?

Ladybugs are famous for their spotted wing cases. But researchers in Japan were interested in what was happening under that colorful exterior: How delicate wings were folding origami-like into place.

The scientists honored with a Nobel Prize in medicine helped discover that every cell in the body has its own clock. When we ignore those clocks, we increase the risk of weight gain and diabetes.

The scientists honored with a Nobel Prize in medicine helped discover that every cell in the body has its own clock. When we ignore those clocks, we increase the risk of weight gain and diabetes.