Is Food Addiction Real?

Ever feel like you’re fighting a losing battle with a bag of potato chips? Your brain might be to blame. Foods with a high glycemic index (GI) activate the same area of the brain that’s triggered by gambling and addictive drugs, according to a recent study published in the American Journal of Clinical Nutrition.

For the study, researchers fed 12 overweight or obese men milkshakes that were identical—except some were high-GI, while the others were low-GI. Four hours later, the people who ate the high-GI shakes were hungrier, had lower blood sugar levels, and had more activity in the area of the brain associated with cravings and addiction.

Eating junk food isn’t like gambling or taking drugs—so why does it have a similar effect on the brain? High-GI foods cause a spike then a plummet in blood sugar levels, says lead study author Belinda Lennerz, MD, PhD, a clinical fellow in pediatrics at Children’s Hospital Boston. This rapid change triggers activity in the brain’s pleasure center, causing you to regain your appetite more quickly and give into your cravings more easily.

That doesn’t mean the food is necessarily addictive in the way that alcohol or cocaine are, though. While most addictive behaviors or substances aren’t essential for life, food is—with one caveat: “People actually eat for many other reasons apart from energy needs: for pleasure, out of frustration, to satisfy a craving,” says Lennerz. Behaviors like this, coupled with the increase in brain activity in the cravings control center, indicate that the risk of “food addiction” could potentially be real.

Do you believe that a person can be addicted to food? Tell us in our poll and sound off in the comments:

  • Yes—it’s no different than any other drug or behavior that people abuse.
  • No—food isn’t the same as things like alcohol or gambling.
  • I’m not sure.

photo: iStockphoto/Thinkstock

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The REAL Meaning of a Balanced Meal

Feeling less-than-satisfied after your last meal? New research published in the journal Current Biology, finds that mixing foods—specifically, astringent and fatty flavors—can contribute to our feelings of fullness.

It turns out that the two tastes activate opposite ends of our sensory spectrum. Astringent foods feel rough and dry in our mouths while fatty foods feel slippery. Neither feeling on its own is favorable, but when paired together, they create what researchers like to call “a balanced mouthfeel”—the astringent basically acts as a palate cleanser, washing the slippery fats away.

Even better: These pleasurable food pairings don’t just make your meal more enjoyable—they leave you feeling more satisfied, as well, says Lisa Moskovitz, RD, CDN, owner of Manhattan-based dietetic practice Your New York Dietitian. “The flavor duo activates the pleasure center of the brain making us feel happy and full,” says Moskovitz.

You may think it’s counterproductive to eat fatty foods, but ultimately, feeling full for longer means you’ll consume fewer calories overall. (Plus, there’s a difference between good fats and bad fats—like with these 5 Fatty Foods That Make You Skinny). Here, Moskovitz explains how to eat your way slim, with meal and snack ideas that incorporate fatty fare with a bit of astringent bite:

Balanced Breakfast: Jazz up oatmeal by adding 1 tsp Coconut Oil (fat), and 1 tbsp chopped walnuts (astringent). Sprinkle in cinnamon and vanilla extract to taste.

Balanced Lunch: For a more satisfying salad, combine spinach (astringent) with 4 ounces of sirloin steak (astringent and fat), 1 ounce of parmesan cheese (fat), and squeeze half a fresh lemon (astringent) with 1 tbsp Olive Oil (fat).

Balanced Snack: Dip apple slices (astringent) in 2 tablespoons of all-natural peanut butter (astringent and fatty). Eat with 1 ounce of low-fat cheddar cheese (fatty) and 8 ounces of Green Tea (astringent).

Balanced Dinner: Grilled salmon (fatty) with ½ cup quinoa (astringent), and ¼ avocado (fatty). Wash it down with 5 ounces of your favorite white wine (astringent).

For more delicious, healthy ways to incorporate these foods into your daily diet, check out the Women’s Health recipe finder. There’s something in there for everyone!

photo: Jupiterimages/Pixland/Thinkstock

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Stop Biting Your Nails (For Real This Time)

Maybe you’ve been a nail biter for years. Or you have a friend or relative who tends to snack on their digits. Sure, it’s not something you (or they) are proud of, but you’ve probably never viewed it as a full-fledged disorder. The American Psychiatric Association—which publishes the Diagnostic and Statistical Manual of Mental Disorders (DSM)—is about to change your nail-biting outlook.

The DSM will soon label nail biting—currently listed as “not otherwise classified,” a.k.a. not a big deal—as an obsessive-compulsive disorder (OCD).

OCD is most-commonly characterized by unreasonable thoughts and fears (obsessions) that lead you to do repetitive behaviors (compulsions). It’s important to note that only certain types of nail biters—the extreme cases—fit into this category. “As with hair pulling and skin picking, nail biting isn’t a disorder unless it is impairing, distressing, and meets a certain clinical level of severity,” says Carol Mathews, M.D., a psychiatrist at the University of California, San Francisco. “That is not the vast majority of nail bitters,” she says. “It is a very small minority of people.”

What counts as clinical severity? “They have bitten so much that they are getting infections,” Mathews says. “There is physical damage that is impairing their ability to use their hands.”

Okay, let’s say your case doesn’t quite warrant an OCD label: That doesn’t mean you get a free, all-you-can-bite pass. It’s still gross. Plus, it’s unhealthy.

Lawrence E. Gibson, M.D., a dermatologist with the Mayo Clinic, says nail biting doesn’t come without risk. It can, “contribute to skin infection, aggravate existing conditions of the nail bed, and increase the risk of colds and other infections by encouraging the spread of germs from the nails and fingers to the lips and mouth.”

Convinced yet?

Four simple ways to ditch the disorder for good:

1. Become aware of mindless munching
You know how sometimes the entire bag of Cheetos® “disappears” while you’re watching TV? The same thing happens when you chew your nails. The key to conquering the brainless bite: You need to track the situation. Ask your friends and family to stand watch, and take note of every time you wind up with your fingers in your mouth. If you’re biting out of boredom, give yourself a task: Do your laundry (you have to do it anyway, right?), squeeze a stress ball, braid your hair, etc. For even more tips on how to banish bad habits like nail-biting, click here.

2. Keep your nails neatly trimmed or manicured
When your nails are beautifully painted or already trimmed, you’re less likely to feel the urge to bite. “For the occasional nail biter, a mild imperfection in the nail may be the culprit,” Mathews says. This is a great excuse to spring for a mani! Don’t have the cash? Check out these seven tips for a gorgeous DIY manicure.

3. Make your digits taste disgusting
Bring out some extra reinforcement with a product like Sally Supernail Professional’s Bite No More™, which is formulated to prevent casual biting of the nails by producing a mild, unpleasant taste to remind you not to bite.

4. Find healthy ways to manage stress and anxiety
Paying the bills, meeting work deadlines, keeping a stable relationship—your life is most likely packed with stress, and, since you’ve outgrown your childhood pacifier, you may tend to rip away your cuticles as a way to cope. Need new ways to relax? Here, we share 31 ways to de-stress your life.

photo: Stockbyte/Thinkstock

More from WH:
Addiction: Dealing with Obsessive Compulsive Disorder
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