Staying Healthy
Losing steam? Avoid these energy zappers
Let's face it: we all get more fatigued as we get older. It's part of the aging process: we lose mitochondria (energy-producing engines in the cells) and we produce less adenosine triphosphate (ATP) — the molecule that delivers energy to cells throughout our body. Other causes of fatigue, such as medication side effects or chronic illness like depression or heart disease, can increase the feeling of tiredness or sluggishness.
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