15 Ways to Stay Slim for Life

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Turning 30
Why you might pack on pounds
When your 20s are over, your muscle mass-and metabolic rate-begin to decrease. Muscle tissue torches calories even when you're sitting, but the less of it you have, the fewer calories you'll burn, explains Keri Glassman, RD, owner of Nutritious Life, a nutrition practice in New York City.
Stay thin
Compensate for muscle loss by understanding that you're not going to be able to eat ... more 

Photo by: Thinkstock

Turning 30
Why you might pack on pounds
When your 20s are over, your muscle mass-and metabolic rate-begin to decrease. Muscle tissue torches calories even when you're sitting, but the less of it you have, the fewer calories you'll burn, explains Keri Glassman, RD, owner of Nutritious Life, a nutrition practice in New York City.
Stay thin
Compensate for muscle loss by understanding that you're not going to be able to eat like you did in your 20s, Glassman suggests. Also try adding an extra workout each week or cutting out a dessert to make up for the extra calories your body won't be burning. You can also work this exercise routine into your mix-it was designed for people in their 30s.

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