Older adults now are more likely to have a greater number of chronic health conditions than those in previous generations, a new study shows.

What accounts for longer lifespan? According to new research a key piece of the puzzle lies in the mechanisms that regulate gene expression.

The average person today can expect to live almost twice as long as people in the 1850. But don't get too excited. There's still no cheating old age.

Living near a Superfund site could reduce the life expectancy for people in nearby communities by as much as 1.2 years, according to a new study.

Giving vaccine priority to older adults and others most at risk of dying will actually save the maximum number of lives and the most years of life.

A new study quantifies the effect air pollution has on human life expectancy around the world. It's not good news, researchers report.

Areas of the US with more fast food, lots of oil and gas extraction jobs, and higher population density have lower life expectancy, new research shows.

Education is the best way to predict life expectancy, researchers report. The more education people have, the longer they tend to live.

"The basic records being kept are annual reports on the number of deaths from drug overdose. But that's only part of the picture."

Ageism can have real consequences for the health of older people, including shorter life expectancy and reduced access to health care, researchers say.