Avoid smoky bars. Don't let people puff away in your space. An hour of passive smoke can cause the same amount of aging as having two to four cigarettes. (If you're doing the smoking, we're not going to bother nagging. You know what to do.)
Our December issue features Oprah's Favorite Things—as well as your chance to win them all! You'll also find our easy holiday declutter plan, Dr. Oz's guide to sleeping better (starting tonight) and the ultimate holiday menu.