- 65%decreased risk after taking hormone-blocking pill source
» A huge step forward: The study, which involved 4,500 people, represents progress towards a safe-to-take drug that prevents breast cancer in at-risk patients. While anti-estrogen drugs already exist on the market, they’ve had pretty horrific side effects that discourage their use. So far, aromatase inhibitors don’t have any of these side effects — but it’s important to note that there haven’t been long-term studies with this, either. (This is the first time researchers tested an aromatase inhibitor tested clinically.) However, it’s still encouraging and worth keeping an eye on.
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