side effects of letrozole after 5 years

Letrozole is a medication typically used to treat hormone-receptor-positive breast cancer in postmenopausal women. As an aromatase inhibitor, it functions by reducing estrogen levels, which can help slow or reverse the growth of some types of breast cancers. Interestingly, letrozole has found usage outside of its traditional scope, particularly within bodybuilding and gym circles asอ่านเพิ่มเติม