Harvard Health Letter

Losing steam? Avoid these energy zappers

What may seem like harmless lifestyle habits may really be robbing you of your get-up-and-go. Letís face it: we all get more fatigued as we get older. Itís part of the aging process: we lose mitochondria (energy-producing engines in the cells) and we produce less adenosine triphosphate (ATP) ó the molecule that delivers energy to cells throughout our body. Other causes of fatigue, such as medication side effects or chronic illness like…

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