Hormone-replacement Therapy Hurts Hearing, Study Finds

... The largest study ever to analyze the hearing of women on hormone-replacement therapy has found that women who take the most common form of HRT have a hearing loss of 10 to 30 percent more compared to similar women who have not had the therapy. It's as if the usual age-related hearing loss in women whose HRT included progestin, a synthetic form of the hormone progesterone, was accelerated by five to 10 years. ...