Muscle loss, or muscle wasting, can lead to unexpected weight loss. The major symptom is muscle weakness. One of your limbs may even look smaller than the other.
Your body is made of fat mass and fat-free mass, which includes muscle, bone, and water. If you lose muscle, you’ll lose weight.
This can happen if you don’t use muscles for a while. It’s most common in people who don’t exercise, work desk jobs, or are bedridden. Generally, exercise and proper nutrition will reverse muscle loss.
Hyperthyroidism, or overactive thyroid, develops when your thyroid gland makes too much
thyroid hormone. These hormones control many functions in the body, including metabolism.
if your thyroid is overactive, you’ll quickly burn calories even if you have a good appetite. The result can be unintentional weight loss.
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