Is Your Diet Aging You? Principles of an Anti-Aging Diet

Diet strategies to keep you as young as possible, inside and out.

Did you look in the mirror this morning and think, “Wow, I look great?” Or instead, did you glance in the glass and think, “When did I get so old?”

If it was the latter, you might want to take a look at your refrigerator, kitchen cupboard, and dinner table for one of the culprits. Aging happens to all of us, of course. There’s no way to put the brakes on it, no matter what the latest “nutraceuticals” may claim.

Don't Get Burned by Diet Burnout

Jan. 1 you resolved to finally lose that extra weight and start living healthier. You began your weight loss program full of enthusiasm and willpower. The pounds started coming off, you felt terrific, and the compliments kept coming your way.But along the way to your goal, something happened. The idea of living a healthier lifestyle forever began to feel more confining than freeing. You're struggling to remember just why you thought it was so important to lose weight anyway. The Krispy Kremes...

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But an unhealthy diet can send your aging process into overdrive, leaving you looking years older than your real age -- and probably not doing the inside of your body any favors, either.

“There’s an incredible amount of evidence that says that eating junk puts your body into an inflammatory state,” says Timothy Harlan, MD, assistant professor of medicine at Tulane University School of Medicine, a former restaurateur known as “Dr. Gourmet," and author of Just Tell Me What to Eat!

“Poor-quality foods, like trans fats, cause inflammation -- and aging is basically a chronic inflammatory state," Harlan says. "Can you look older because you’re eating crap? Absolutely.”

For example, too much sugar and processed carbohydrates in the diet can lead to the production of what are called AGEs -- advanced glycation end products. “These are associated with a number of diseases, like heart disease and diabetes, but they also damage the collagen and fibers of your skin,” says Andrea Giancoli, MPH, RD, a nutrition policy consultant for the California Center for Public Health Advocacy and a spokeswoman for the American Dietetic Association.

But it's not just your looks that are on the line. Eating too much of foods that ramp up inflammation -- or clog your arteries, or pack on extra pounds -- can be bad news, from head to toe.

Here are five examples of foods that you may want to limit to stay as young as possible, inside and out:

Potato chips and French fries. Really, anything that’s deep-fried in oil is laden with trans fats, which contribute to inflammation throughout your entire body. You should keep trans fats to less than 1% of your daily diet, says the American Heart Association.Doughnuts and sugary pastries. These pack a multiple whammy -- often they’re high in trans fats and of course they’re packed with sugar, which is also linked with inflammation. And they produce those wrinkle-generating AGEs Giancoli talks about.Hot dogs, bacon, and pepperoni -- any processed meats. Sad to say, the meats on your favorite home-delivery pizza and ballpark dogs aren’t doing you any favors. They’re high in saturated fats and also contain nitrates, both of which contribute to the inflammatory process.Less-than-lean red meats. The key with meat is to keep it lean to minimize saturated fats, which are big producers of inflammation and no friend of your arteries. The USDA's 2010 dietary guidelines recommends eating a variety of protein foods, including lean meats. The American Heart Association suggests that you keep saturated fats from all sources (not just red meat) to less than 7% of your daily calorie intake.Alcohol. This is a tough one: Some alcohol may be good for you, but too much can absolutely age you prematurely. “Research says there’s a sweet spot for alcohol,” Harlan says. That’s one drink per day for women (such as a 5-ounce glass of wine or 12-ounce glass of beer) and two for men. If you drink, on average, one or two alcoholic drinks per day, that may be good for your heart. More than that, and you may be revving the aging process and its associated diseases like liver disease and certain cancers. If you don't drink, health experts don't advise you to start, and if you do drink, talk to your doctor to make sure your drinking is in line with your particular health concerns.

More importantly, Harlan says, eating a diet rich in high-quality foods can reduce inflammation, and help to keep you from looking your best. “It’s very clear that following a Mediterranean-style diet reduces the risk of a number of illnesses associated with aging, like cancer, Alzheimer’s, and heart disease.”