Want to live until you're 100? Your odds are better than you might think. In fact, more and more people around the globe are becoming centenarians: According to the Pew Research Center, the number of people age 100 and up is expected to grow eightfold by 2050. But blowing out 100 candles on your birthday isn’t just a matter of winning the genetic lottery.

“About two-thirds of your longevity is within your control,” says geriatrician Dr Susan Friedman. It's all about making healthy lifestyle changes, which “not only make a difference in terms of longevity but also in terms of functional status,” says Friedman. In other words, you'll be able to get around (and feel better!) as you age.While there’s no instruction manual that'll guarantee you live to see triple digits, there are healthy habits you can adopt now that may increase your chances. Keep reading to learn the doctor-approved practices centenarians swear by so you can steal them for yourself!  

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