Does estrogen cause cancer?

Unrepaired DNA damage can turn into a mutation, which can later promote cancer. To see if cancer-causing estrogens need oxygen radicals to produce tumors, Dr. Bhat implanted pellets of the hormone in hamsters that are susceptible to estrogen-induced kidney cancer. read more

Hormones made by the pituitary gland called luteinizing hormone (LH) and follicle stimulating hormone (FSH) help regulate the ovaries before menopause. When levels of estrogen get lower during menopause, the levels of FSH and LH go up. read more

MYTH: "Estrogen causes breast cancer." REALITY: The best data indicates that not only does estrogen not cause breast cancer; estrogen supplementation after menopause might have a slight protective effect. read more