6 Things That Could Be Causing Your Fatigue
Sometimes fatigue can be caused by problems with the thyroid gland. The thyroid produces hormones T4 and T3 to control your body's metabolic speed, and sometimes it doesn't produce enough, causing tiredness. This is especially a concern for middle-aged and older women.
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By — Last Modified: 08/29/2012, First Published: 08/01/2012
