You can stop worrying about drinking eight glasses of water a day and shaving making your hair grow back all pube-y and your blog addiction killing your eyesight. And your hair and fingernails continue to grow after your death, in case that was keeping you up at night. This all comes to us courtesy the British Medical Journal, the same publication responsible for bringing us that study on how testosterone makes men funnier, which some of you thought was a joke magazine, but I think it's true: I get all the water I need from beer and dirty martinis and Gatorade, don't you? [NYT]