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| Exercise makes you younger by 9 yrs |
| 01.29.08 (11:11 am) [edit] |
|
Exercise may hold the key to youth, according to a recent study, which showed people who keep fit are up to nine years biologically younger than those who do not. The study of 2,401 twins found that a sedentary lifestyle raises the risk of a range of problems from heart disease to cancer and appears to play a key role in the ageing process. It all boils down to the length of structures called telomeres - which protect the DNA on the chromosomes. Many studies have shown telomeres get shorter over time, suggesting the cells are ageing or dying. The study, which extracted a DNA sample from their volunteers, found people who exercised more each week had longer telomeres. According to exercise lowers the risk of a range of problems such as heart disease, diabetes and cancer. The study found people who exercised vigorously 3 hours each week had longer telomeres and were biologically 9 years younger than people who did under 15 minutes. |
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