However, before every tosses out their condoms in favor of some chronic, it should be noted that an Hv1 pill can't hit the market until some scientists explore some potential side effects. Specifically, Hv1 protein acts across the body in a range of different ways, not just in sperm. By changing the pH environment for Hv1 protein in general, bodily functions may alter in unforeseen ways. So while this is definitely a positive step towards creating the long-desired male birth control pill, it may not be available in stores until after Gilliam finally finishes his Don Quixote movie.