Amazon on Thursday announced Prime members can access new fixed pricing to treat conditions like erectile dysfunction and men's hair loss, its latest effort to compete with other direct-to-consumer marketplaces like Hims & Hers Health and Ro.Shares of Hims & Hers fell as much as 17% Thursday, on pace for its worst day.Amazon said in a blog post that Prime members can see the cost of a telehealth visit and their desired treatment before they decide to proceed with care for five common issues. Patients can ac ...