Illustration: Angelica Alzona To sign up for our daily newsletter covering the latest news, hacks and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Lifehacker Australia homepage to visit whenever you need a fix. Birth control is unique among medical interventions, not least of all because its name straight-up tells you what it does — it controls birth by preventing pregnancy. Beyond that, though, there are a lot of other things birth control can do. Some are great: Hormonal birth control can clear skin and make periods or endometriosis more manageable. Others, like its ability to cause weight changes or vaginal dryness, are less ideal.