Study examines phenomenon of women caring for ex-husbands

The aging population, 65 years and older, includes nearly 3.8 million divorced men and women, according to the U.S. Census Bureau. Illnesses and end-of-life issues can be particularly difficult for singles without spouses ...

3 Questions: Joseph Coughlin on aging and driving

An aging population brings with it a new set of demands -- such as the need to ensure safety among older drivers. As the Baby-Boomer generation begins reaching retirement age, this seems likely to become a growing concern.

Roundtable looks at longevity and the boomers

It's been called "elderquake" and "the silver tsunami." Its statistics are staggering: Over the next three decades, the number of people older than 65 in the United States will double from 40 million to 80 million.

Wolves lose their predatory edge in mid-life, study shows

Although most wolves in Yellowstone National Park live to be nearly six years old, their ability to kill prey peaks when they are two to three, according to a study led by Dan MacNulty and recently published online by Ecology ...

Study finds human population expanded during late Stone Age

Genetic evidence is revealing that human populations began to expand in size in Africa during the Late Stone Age approximately 40,000 years ago. A research team led by Michael F. Hammer (Arizona Research Laboratory's Division ...

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