Women who enjoy sex live longer, says Mehmet Oz, MD, professor and vice chairman of surgery at New York Presbyterian–Columbia University and co-author of YOU: Being Beautiful. In fact, doubling your amount of satisfying sex can add up to three years to your life, he says. “Sex gives you the Zen moment you can’t find throughout the day otherwise.”
Use your brain
Dr. Geula, who has studied 80-year-olds who perform at the same level as people in their 50s on neuropsychological tests, has found that the superaged have fewer brain tangles—deposits of protein linked to Alzheimer’s—suggesting that their brains have some sort of protection that normal brains don’t. While scientists puzzle this out, there’s a lot you can do to keep your own synapses firing. Learn Italian, take up the cello—even driving a new route to work can wake up sleepy brain cells.
Lose the muffin top
In one large study published in 2009, researchers who tracked 6,583 people for more than 30 years found that having significant belly fat in midlife can nearly triple your risk of dementia.