Aging

Men in their 50s experience age-related symptoms and hormone declines — but is this the same as what women go through during menopause?

A new study in mice and human cells suggests that a small molecule can help reverse signs of aging by extending telomeres and modulating key genes.

Some chemical tags on DNA, called epigenetic factors, that are present at a young age can affect the maximum life spans of mammal species.

"Undead" cells in the placenta that spew proteins may help explain cases of heart failure that happen in late pregnancy and the early postpartum period.

Researchers say they've identified a kind of fat that plays a major role in aging and can be controlled with short-term exercise.

A study conducted in the Philippines links pregnancy to changes in the chemical tags that sit atop DNA, hinting that pregnancy speeds biological aging.

Aroma researchers worked out which chemicals in body odor differ between infants and teens who have hit puberty.

In mice, a new type of immunotherapy appeared to partly turn back the clock of "immune aging."

An analysis of mortality data from more than 190 countries suggests the male-female life-span gap is narrowing.

A professor of developmental psychology explains why our ability to multitask changes as we age.