Can an Underactive Thyroid Cause Unexplained Weight Gain and Coldness?
1. Introduction Yes, an underactive thyroid, clinically known as hypothyroidism, can directly cause unexplained weight gain and a persistent sensitivity to cold. The thyroid gland produces hormones that govern the basal metabolic rate of virtually every cell in the human body. When hormone production drops, the entire metabolic engine slows down, reducing the number of … Read more