"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.

A new study suggests that a person's epigenetic "clock" may be a better predictor of how much their memory function has declined over time than their actual age.