longevity, living long, live long healthy old TM Longevity
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longevity, living long, live long healthy old TM

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FEATURED BOOKS ON LIVING A LONG LIFE FROM BARNES & NOBLE.COM:

Grow Younger, Live Longer: Ten Steps to Reverse AgingThe Okinawa Program: How the World's Longest-Lived People Achieve Everlasting Health -- and How You Can Too

Longevity has the following meanings in the field of medicine:

1. The time that a life lasts, when that life is longer than normal for a species. This is also known as macrobiosis.

2. The number of years that an average person is expected to continue living. This is determined by mathematical tables that are based on the number of years people live in different population groups throughout the world. Longevity comes from the Latin word "longus" meaning "long," and the Latin word "aveum" meaning "age." Put the two words together and you have "long age."

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