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Exercise may be fountain of youth
Posted on Jun 15th 2008 6:30AM by Jacki DonaldsonFiled Under: Fitness
Want to cut your biological age by 10 years? Then exercise.
A recent study in the Archives of Internal Medicine says exercise not only gives us a youthful glow -- it actually makes us youthful. How do they know? Because they gauged biological age by measuring telomeres, parts of chromosomes whose length has been linked to life span. Telomeres shorten as we age due to inflammation and cell damage. But those who exercise for more than three hours per week have telomeres as long as those who are sedentary and 10 years younger.
Exercise may even have the power to reduce the telomere-shortening damage of behaviors like smoking and stress. Some powerful stuff, that exercise. But you know that, right?
A recent study in the Archives of Internal Medicine says exercise not only gives us a youthful glow -- it actually makes us youthful. How do they know? Because they gauged biological age by measuring telomeres, parts of chromosomes whose length has been linked to life span. Telomeres shorten as we age due to inflammation and cell damage. But those who exercise for more than three hours per week have telomeres as long as those who are sedentary and 10 years younger.
Exercise may even have the power to reduce the telomere-shortening damage of behaviors like smoking and stress. Some powerful stuff, that exercise. But you know that, right?
