9 'Innocent' Habits That Make You Old Get more sleep, eat some fat, cut down on sugar: experts By Polly Davis Doig, Newser Staff Posted May 8, 2010 10:27 AM CDT 14 comments Comments Wanna look like this before your time? Keep slugging the sugar and not getting enough sleep or sex, and see what happens. (Shutterstock) (Newser) – Kicking that meth habit could take decades off your face in about 5 seconds, but some other less obviously dangerous activities also take a toll. Prevention lists nine other innocent habits that are secretly aging you: You don't sleep enough: Pulling an all-nighter worked when you were 19. Now, it's adding weight gain, high blood pressure, and diabetes to those bags under your eyes. You have a sweet tooth: It's making you fat and giving you wrinkles by damaging proteins like collagen. You don't have sex: A little nookie juices your immune system and heart, and it can shave up to 12 (!) years off your face. You don't eat fat: Without heading to the all-Big Mac diet, a little omega-3 or unsaturated fat greases your brain, heart, bones, joints, and skin—in a good way. For the full list, click here.