Just 90 minutes a week of strength training may go a long way toward helping you live longer.

A new study spanning three decades found that around 90 to 120 minutes of weekly resistance training may be the “sweet spot” for lowering the risk of dying from heart disease, neurological disease, or any cause. These longevity benefits leveled off after two hours per week, which suggests that more time in the gym isn’t necessarily better.

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“One practical message is that people do not need to spend hours in the gym,” says professor Ulrik Wisløff, PhD, head of the Cardiac Exercise Research Group (CERG) at the Norwegian University of Science and…

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