High levels of thyroid-stimulating hormone (TSH) indicate hypothyroidism, which is a condition in which the thyroid gland is underactive and does not produce enough hormones. The pituitary gland in the brain releases TSH to stimulate the thyroid gland to produce more hormones, so when the thyroid gland is underactive, the pituitary gland releases more TSH to try to stimulate the thyroid to produce more hormones. A high TSH level is therefore an indication of an increased level of stimulation, which is necessary because the thyroid is not producing enough hormones on its own.
On the other hand, low levels of TSH indicate hyperthyroidism, which is a condition in which the thyroid gland is overactive and produces too many hormones. In this case, the pituitary gland decreases TSH release to reduce stimulation of the thyroid gland and prevent it from producing even more hormones.
Hypothyroidism can result in weight gain. This occurs because the low levels of thyroid hormones produced by the thyroid gland can slow down the body’s metabolism, causing the body to burn fewer calories. This can lead to weight gain, even if a person does not eat more food. However, in some rare cases, weight loss can occur due to increased metabolism, decreased appetite, or other factors. If you are experiencing unusual changes in weight, it’s important to talk to your doctor to determine the cause and get proper treatment.
Hyperthyroidism typically results in weight loss, rather than weight gain. This occurs because the high levels of thyroid hormones produced by the thyroid gland can speed up the body’s metabolism, causing the body to burn more calories. This can lead to weight loss, even if a person does not eat less food. Other symptoms of hyperthyroidism can include rapid heartbeat, anxiety, sweating, and heat intolerance. If you are experiencing unusual changes in weight, it’s important to talk to your doctor to determine the cause and get proper treatment.