Sedentary lifestyle in older women 'ages body cells' with research on 1,500 women aged 64 to 95 finding that those who spent many hours sitting, and exercised for less than 40 minutes a day, had cells that were biologically eight years older.

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Sedentary lifestyle in older women 'ages body cells' with research on 1,500 women aged 64 to 95 finding that those who spent many hours sitting, and exercised for less than 40 minutes a day, had cells that were biologically eight years older.