Roll back your RealAge 21.6 years!

Teenage girls swoon over Edward Cullen (actor Robert Pattinson), the forever young, eternally romantic vampire star of “The Twilight Saga.” But you don’t need a vampire’s “kiss” — or the hassles that goes with it — to gain a longer, younger life. Just follow these six steps:

» No. 1: Go for a visit to a dental pro every six months — and floss every day: Avoid gum disease to reduce body-wide inflammation that boosts your risk for cardio problems (heart attack, stroke and angina) by 70 percent and diabetes by more than 50 percent — not to mention osteoporosis, problem pregnancies and respiratory disease. As a bonus, you’ll be smiling through a healthy set of pearly whites as your RealAge becomes three years younger.