6 Ways to Boost Your Mood With Food
PHOTO: A spinach salad can boost your mood.

Anyone who has ever reached for a sugary snack when stressed out or feeling grouchy knows that the solace you get is fleeting: a few minutes of satisfaction followed by the inevitable blood-sugar crash, with added irritability to boot. And, in general, the modern Western diet—high in processed and fried foods, simple carbs, sugars and unhealthy fats—can set you up for depression, anxiety, and mood swings, a recent study has discovered.

But plenty of tasty options exist that actually do the opposite: boost your mood and your energy, and set you up to perform better, too.

"Food choices that you make every day influence your brain's ability to grow and heal," says Dr. Drew Ramsey, co-author of The Happiness Diet. "The foundation of good mental health is good wholesome food."

There are ways to navigate the most up-to-date nutritional science to optimize your best choices. It's all about relying on the new truths of eating—and drinking.

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That caffeine high is real

If you feel that your morning coffee soothes your soul, it's not your imagination: A large 2011 study from the Harvard School of Public Health found that women who drank at least two cups of coffee regularly had a 15 percent lower risk of depression than those who didn't drink any coffee—and their risk decreased by 20 percent when they downed four or more cups of joe a day. (Read more about the health benefits of coffee.)

One possible reason: Caffeine triggers the release of the brain chemical dopamine—important for sharpening focus and improving your outlook.

"Coffee also contains plant-based nutrients that function much like a class of drugs that are used to treat depression," Dr. Ramsey says. Of course, he points out, caffeine doesn't affect everyone in the same way, so cut back on java or other caffeinated drinks if you start to get the jitters or sleep poorly. You should also beware the 12 Surprising Sources of Caffeine.

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Fat can feel great

Fat gives us that unparalleled satisfaction because it slows digestion, producing a calming, blood-sugar-evening effect. But a comprehensive review of studies comparing the incidence of mood disorders in several countries found that eating at least two seafood meals per week—high in omega-3 fatty acids, specifically—was associated with lower rates of depression and other emotional disorders. Other research backs this up, showing that people with low levels of omega-3s may be at increased risk of anxiety and depression, likely because these fats help maintain function in areas of the brain responsible for regulating mood and emotion.

Unfortunately, over the last 150 years, "we've greatly minimized the amount of omega-3s in our diet," says Dr. Mary Morreale, a psychiatrist at Wayne State University School of Medicine in Detroit. The American Psychiatric Association recommends that all adults eat two to three servings of oily fish such as salmon each week, for instance. Grass-fed beef, chicken and pork (which have higher omega-3 levels than their corn-fed brethren), avocados and nuts are other good sources. Aim for about 2 grams (g) a day—what you'll get by eating a 4-ounce piece of salmon or a quarter cup of walnuts. (Confused about the difference between good fats and bad fats? Read this Guide to Choosing Healthy Fats.)

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Carbs are crucial

It's late afternoon, and all you can think about are the treats in the vending machine. "That's thanks to a drop in the feel-good brain chemical serotonin, which can lead to that 4 o'clock mood slump some of us experience every afternoon," says Judith Wurtman, PhD, co-author of The Serotonin Power Diet and former director of MIT's Clinical Research Center in Women's Health.

Beat your afternoon slump by having a snack with 25 to 30g of carbs—equal to about three quarters of a cup of Cheerios. As she puts it: "It's a small caloric expense to pay for feeling good. Try one of these Satisfying Snacks for Every Craving.

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A bliss trip needs tryptophan

The stuff originally thought to make you sleepy after Thanksgiving dinner is now believed to be a key to calm and happiness, says Susan Bowerman, RD, assistant director of UCLA's Center for Human Nutrition.

"In order to make serotonin, you need tryptophan, an amino acid that your body can't produce on its own, so it must be obtained from food"—such as poultry, beef, eggs and nuts, Bowerman says.

Shoot for about 320 milligrams of tryptophan a day; you'll find more than enough in 4 ounces of chicken or a cup of soybeans.

Turbo-boost the trypto-charge: Add in carbs. Research shows that eating the equivalent of one slice of whole-grain toast or a few graham crackers causes the body to release insulin, which in turn increases the amount of tryptophan that gets into your brain. The ideal serotonin snack: turkey in a whole-wheat wrap.

Happy salads have spinach

You can give your lunch a brain-friendly shot in the arm by trading the romaine lettuce for spinach, which provides more of the B vitamin folate per ounce.

"Higher concentrations of folate in the blood are linked to a decrease in negative mood, clinical depression and fuzzy thinking," Dr. Ramsey says.

Because folate is water-soluble, your body does not store it, and you need a continuous supply through the foods you eat. In one recent study from the University of Ulster in Northern Ireland, participants with more folate in their red blood cells reported fewer bad moods over the course of a week.

Spinach is the king of greens, supplying 131 micrograms (mcg), or 33 percent of the 400 mcg recommended daily allowance (RDA) of folate for women 19 to 50, in just half a cup of the cooked vegetable or 2 cups uncooked. A cup of cooked garbanzo beans has a whopping 282 mcg, or more than 70 percent of the RDA.

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Go east and your mood heads north

Spice is nice—as in, it can make you a nicer person! Curcumin, a staple in Indian curries and the pigment responsible for the bright yellow color of the spice turmeric, has natural antidepressant qualities and has been shown in animal studies to protect neurons from the damaging effects of chronic stress. Other animal research has linked curcumin to an increase in the brain chemicals serotonin and dopamine, both key components of a bright outlook.

Try adding turmeric to a stir-fry, soup or chicken dish, and don't hesitate with the pepper grinder: Piperine, the main component in black pepper, may help the body absorb curcumin and enhances its antidepressant effect long-term, according to studies on rats conducted in India.

Want to get high on your meal right now? Go liberal with the chiles: Capsaicin, the compound that gives chili peppers their kick, sets off pain receptors in the mouth, which in turn send a message to your brain to release feel-good endorphins, explains Paul Bosland, PhD, a horticulturalist at New Mexico State University. "This mood-lifting effect is actually similar to the endorphin rush that you get after a trip to the gym."

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