Yes and no. Unfortunately, eBay has become something of a customer service nightmare for most people, as is evidenced by the results of any search for contact eBay, call eBay, chat with eBay, or similar phrases. Articles, blog posts, and websites offering contact information all give different answers, and most of them are wrong.
It inhibits the action of aromatase enzymes, which causes the body to produce less estrogen. Because many breast cancers are sensitive to estrogen, less estrogen in the body can help keep the cancer from spreading. Anastrozole is used for off-label reasons as well, such as treating excess estrogen production in men.
When many of us think of progesterone, we think of it as being a hormone strictly for women. However, men need progesterone too. Progesterone helps to counteract the effects of estrogen on the male body. Not only is progesterone found in males, but men rely on the alleged female hormone to preserve their masculinity. In fact, progesterone is a precursor to testosterone - the male sex hormone.