you every day habits. drinking through a straw creates lines over time. when it comes to sleeping, lay on your back so you are not squashing your face for seven hours. wash the pillowcases once a week and wash your face every night to prevent a breakout. doctors say chewing gum may be the worst habit of all. >> your job muscles build up and that contributes to a jelly luck. over time, chewing gum can contribute to wrinkles above your lip. >> if you can't kick the gum habit, to smaller pieces. a new study of college parties reveals what should be backwards data on drinking habits. almost 3000 students were surveyed and found most students drink more when they're hosting a party rather than attending one. students who attended a party is aghast -- as a guest averaged seven drinks while those who were coasting trade about nine.