September 26, 2012 There are a lot more older people with worn-out knees, and the rate at which those people get knees replaced has gone way up in the last 20 years, too.
September 25, 2012 Korean researchers have found that eunuchs who worked for kings in ancient royal courts lived longer, on average, than other males who were in the inner circle. The provocative findings fit with other work that has shown an inverse link between longevity and reproduction: the greater the fertility, the shorter the life span.
September 24, 2012 The new drug reversed changes in blood vessels that usually lead kids with the rare genetic disease progeria to have heart attacks and strokes. Research on the toxic protein responsible for progeria is also changing scientists' understanding of how normal cells age.
September 12, 2012 While undergoing treatment for esophageal cancer, Christopher Hitchens chronicled his experience of "living dyingly" in a series of essays for Vanity Fair. Those essays and other notes from the author's final days are compiled in the posthumous book Mortality, with an afterword by his wife, Carol Blue.
September 11, 2012 The federal health law makes it easier for most people with private insurance to get recommended vaccines without a copay. But the changes don't apply to people covered by Medicare.
August 30, 2012 A study, which started back in 1987, shows that monkeys fed a diet with 30 percent fewer calories than normal did not live unusually long lives. Researchers say the results are a good indication of how caloric restriction might affect the life spans of people.
August 21, 2012 Long-term gains in longevity continue. Today's 65-year-olds can expect to live a tad over 20 more years. That's a huge jump from 1980, when 65-year-olds could expect 14 more years of life. A big part of the reason is that deaths from heart disease and stroke have plummeted by nearly 50 percent.
August 20, 2012 Here's a look at the government health care programs for the elderly and the poor, how President Obama's new national health care law affects them, and how Mitt Romney and Paul Ryan want to change things.