With hyperthyroidism, the body burns up extra food without using it for anything but for producing heat. Itaposs long been known that a very overactive thyroid can be associated with weight loss, and a very underactive thyroid. If you have an underactive thryroi without treatment weight loss seems hopeless. Jul 1 20An underactive thyroid cant regulate your bodys rate of metabolism and you become overweight, suffering with weight loss problems, even if you only eat a little food.
Weight gain may signal low levels of thyroid hormones, a condition called hypothyroidism.
Signs Your Weight Loss Problem is Really a Thyroid. WebMD Mar 2 20In a new study examining thyroid and weight, scientists have found that even a thyroid functioning on the lower end of the normal range is associated with weight gain. Org If unexplained weight loss occurs, especially with a good appetite, it might be because of overactive thyroi also called hyperthyroidism hie-per-THIGH roid- is-m or thyrotoxicosis thigh-ro-tox-i-KO-sis.