6 ways to keep the weight off

4. Get enough sleep
Adequate sleep is vital to good health. By skimping on the z's, you're not just making yourself more tired -- you're increasing your risk of weight gain, too, as well as a number of other ailments. While researchers are studying the effect sleep has on hormones -- and consequently on hunger and metabolism -- the reasoning is to a great degree just common sense. When you're tired, you're more likely to reach for quick sources of energy (think sugar and other refined carbs) and to make unhealthy eating decisions (like choosing the drive-through over a home-cooked meal), not to mention less likely to make it to the gym. Make sure to get enough sleep and you'll be helping your health in more ways than one.

5. Build muscle tone
One reason metabolism slows as you age is decreased muscle mass due to inactivity. Fight back by...well, not being inactive. The more muscle you have, the more calories your body will burn both during exercising and throughout the day, notes Lederman, adding that "research shows that resistance exercise may prevent weight gain or regain." Take advantage of this by lifting weights a few times a week, either at home or at the gym.

6. Try new foods
Healthy doesn't have to mean boring when it comes to food -- and if it does for you, then don't be surprised if a supersize tub of ice cream sneaks its way into your freezer. Some suggestions:

• Treat yourself to new cookbooks regularly and experiment with recipes that will make healthy eating a pleasure.

• Visit your farmer's market and buy something you've never eaten before.

• Start a potluck group with other health-minded friends and meet once or twice a month to share foods, recipes and conversation.

• Watch our Eat Smart -- Feel Great! videos for cooking tips and healthy eating advice from Elizabeth Baird.

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