Trh stimulates the pituitary gland to produce thyroid-stimulating hormone, or tsh.
Low tsh levels occur in hyperthyroidism.
Hyperthyroidism is caused by less production of thyroid-stimulating hormone.
What is caused by less production of thyroid-stimulating hormone?

1) It decreases
2) major threat to health
3) energy usage
4) sweating
5) Localized damage
6) Leptospirosis
7) hyperthyroidism
8) reduced heat