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28 February 2011

Endurance exercise thwarts premature ageing

Researchers have found that endurance exercise may offer protection against premature ageing, this in a study of mice genetically engineered to age faster than normal.

Endurance exercise may be "the fountain of youth"- or so a new study of mice suggests.

Canadian researchers found that endurance exercise offered protection against premature ageing in mice genetically engineered to age faster than normal.

Mice who ran on a treadmill three times a week for five months looked as young as regular mice, while those who didn't exercise were greying, balding, socially isolated and less fertile, said the researchers at McMaster University in Hamilton, Ontario.

The study was published in the journal Proceedings of the National Academy of Sciences.

No substitute for exercise

"Many people falsely believe that the benefits of exercise will be found in a pill," principal investigator Mark Tarnopolsky, a professor of paediatrics and medicine, said. "We have clearly shown that there is no substitute for the 'real thing' of exercise when it comes to protection from ageing."

Tarnopolsky noted that other researchers "have tried to treat these animals with 'exercise pill' drugs and have even tried to reduce their caloric intake, a strategy felt to be the most effective for slowing ageing, and these were met with limited success."

"Exercise truly is the fountain of youth," lead author Adeel Safdar, a senior Ph.D. student, said.


(Copyright © 2010 HealthDay. All rights reserved.)

 
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