3 Steps to a Fitter, Slimmer, Younger You
By Amy Gallo
Photo by David Gubert
Most of us assume aging is as inevitable as a Bachelor breakup. But get this: “What we think of as growing old is just decay at a cellular level. It’s the molecular dry rot of our modern lifestyles. And it’s optional!” says Henry S. Lodge, M.D., associate clinical professor of medicine at Columbia University and a SELF contributing expert. The science: Your cells constantly regenerate. Taste bud cells turn over every few hours; muscle cells refresh every 90 days. On average, you renew about 1 percent of the cells in your body daily, Dr. Lodge explains. Those cells come in either stronger (read: younger!) or weaker (older) than their predecessors did, based on the chemical signals they receive. Work out and your body hears, Let’s get a little bit younger. Sit on your butt and the message is, Gray hair and wrinkles, activate! And it’s not only your body that benefits. With regular activity, new tissue grows in the cognitive and emotional areas of your brain, keeping you on top of your mental game. Exercise is the fountain of youth. Don’t simply toss in a coin and wish for a younger, fitter body. Try our three-step plan guaranteed to put time on your side.
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Step 1: Move
First things first: You need to move. If that means running a marathon, great. If it’s walking your dog at a brisk pace, that works, too. Your cells don’t know the difference. As long as you’re doing aerobic activity, they receive the signal to come back stronger. To that end, Dr. Lodge urges cardio for 5 percent of waking hours. (Quick math: That’s about six hours a week, not including essential warm-up minutes.) It’s totally doable when you consider that getting your Beyoncé moves on at a wedding counts! You can earn minutes for most heart-pumping activities: If you add a daily commute (on foot) to a Spin class and a 5-mile power walk, you’re halfway there.