18 Superfoods For Your Heart

To prevent heart attacks, avoid unhealthy food, and eat foods rich in nutrients, fiber, and healthy fats. 

Heart-healthy foods

While deaths due to heart disease have dropped in recent years, it's still the No. 1 killer of Americans. The good news is that we now know a ton about how to prevent cardiovascular disease, which includes both strokes and heart attacks.

It's clear that healthy eating and living (like exercising more!) can make a huge difference.

Read on to see what you should be including in your diet to keep your ticker happy for decades to come.

Salmon

Salmon and other fatty fish such as sardines and mackerel are the superstars of heart-healthy foods. That's because they contain copious amounts of omega-3 fatty acids, shown in studies to lower the risk of arrhythmia (irregular heart beat) and atherosclerosis (plaque build-up in the arteries) and decrease triglycerides. The American Heart Association recommends eating fish and preferably fatty fish at least twice a week. Omega-3 fatty acids are also available as dietary supplements.

Oatmeal

Oatmeal is high in soluble fiber, which can lower cholesterol. "It acts as a sponge in the digestive tract and soaks up the cholesterol so it is eliminated from the body and not absorbed into the bloodstream," says Lauren Graf, a registered dietician and co-director of the Cardiac Wellness Program at Montefiore Medical Center in New York City. Graf recommends avoiding instant oatmeal, which often contains sugar, and heading instead for old-fashioned or even quick-cooking oats. Other whole grains such as bread, pasta and grits are also good for the heart as long as they still contain the entire grain.

Blueberries

Not just blueberries, but strawberries and other berries as well. According to a 2013 study women aged 25 through 42 who ate more than three servings of blueberries and strawberries a week had a 32% lower risk of heart attack compared with those who ate less. The authors of the study attributed the benefit to compounds known as anthocyanins, flavonoids (which are antioxidants) that may decrease blood pressure and dilate blood vessels. Anthocyanins give plants their red and blue colors.

Dark chocolate

Several studies have now shown that dark chocolate may benefit your heart, including one in 2012 that found that daily chocolate consumption could reduce nonfatal heart attacks and stroke in people at high risk for these problems. The findings applied only to dark chocolate, meaning chocolate made up of at least 60-70% cocoa. Dark chocolate contains flavonoids called polyphenols, which may help blood pressure, clotting, and inflammation. Unfortunately, milk chocolate and most candy bars don't make the grade when it comes to protecting your heart.

Citrus fruits

Women who consume high amounts of the flavonoids found in oranges and grapefruits have a 19% lower risk of ischemic stroke (caused by a clot) than women who don't get as much of these compounds, a 2012 study found. Citrus fruits are also high in vitamin C, which has been linked with a lower risk of heart disease. Beware of citrus juices that contain added sugar. And be aware that grapefruit products may interfere with the action of the cholesterol-lowering drugs known as statins.

Soy

Soy products, including tofu and soy milk, are a good way to add protein to your diet without unhealthy fats and cholesterol. Soy products contain high levels of polyunsaturated fats (good for your health), fiber, vitamins, and minerals. What's more, soy may reduce blood pressure in people who eat a diet high in refined carbohydrates. And compared with milk or other proteins, soy protein can actually decrease LDL or "bad" cholesterol.

Potatoes

There's no reason to shun potatoes because they're white and look like a "bad" starch. As long as they're not deep fried, potatoes can be good for your heart. They're rich in potassium, which can help lower blood pressure. And they're high in fiber, which can lower the risk for heart disease. "They are definitely not a junk food or refined carbohydrate," says Graf. "They have a lot of health benefits."

Tomatoes

Tomato consumption in the U.S. has been rising and that's a good thing. Like potatoes, tomatoes are high in heart-healthy potassium. Plus, they're a good source of the antioxidant lycopene. Lycopene is a carotenoid that may help get rid of "bad" cholesterol, keep blood vessels open, and lower heart attack risk. And because they're low in calories and low in sugar, they don't detract from an already-healthy diet. "They're excellent for the body in a number of ways," says Graf.

Nuts

This includes almonds, walnuts, pistachios, peanuts and macadamia nuts, all of which contain good-for-your-heart fiber. They also contain vitamin E, which helps lower bad cholesterol. And some, like walnuts, are high in omega-3 fatty acids. "Some people in the past have avoided nuts because they're higher in fat, but most of the studies show that people who consume nuts daily are leaner than people who don't," says Graf. And leaner people are at a lower risk for heart problems. Look for varieties that don't have a lot of added salt.

Legumes

Because they come from plants, legumes such as beans, lentils, and peas are an excellent source of protein without a lot of unhealthy fat. One study found that people who ate legumes at least four times a week had a 22% lower risk of heart disease compared with those who consumed them less than once a week. And legumes may help control blood sugar in people with diabetes. Lowering blood sugar levels is key in helping people avoid diabetes complications, one of which is heart disease.

Extra-virgin olive oil

In a landmark study, people at high risk for heart disease who followed the Mediterranean diet (high in grains, fruits, vegetables) supplemented by nuts and at least four tablespoons a day of olive oil reduced their risk of heart attacks, strokes, and dying by 30%. Olive oil is a good source of monounsaturated fats, which can help reduce both cholesterol and blood sugar levels. Olives themselves—both green and black—are another source of "good" fat, says Graf. And they "add a lot of flavor to salads," she notes.

Red wine

Red wine, or small amounts of any type of alcohol, are thought to lower heart disease risk. (Higher amounts, more than a drink or two a day, can actually increase risk.) While some say a polyphenol found in red wine, resveratrol, gives that beverage an added benefit, research suggests that any type of alcohol in moderation works. As with coffee, though, none of these properties are a reason to start drinking alcohol, says Graf. You can also get resveratrol from non-alcohol sources, like natural peanut butter and grapes.

Green tea

Long a favorite in Asia, green tea has grown more popular in the West and may bring with it significant health benefits. A 2013 study found that people who drank four or more cups of green tea daily had a 20% reduced risk of cardiovascular disease and stroke compared with people who "seldom" imbibed the beverage. The findings echo a previous study that found lower rates of death, including death from heart disease, among avid drinkers of green tea. Antioxidants known as catechins may be responsible for the effect.

Broccoli, spinach and kale

When it comes to your health, you really can't go wrong with vegetables. But green vegetables may give an extra boost to your heart. These are high in carotenoids, which act as antioxidants and free your body of potentially harmful compounds. They're also high in fiber and contain tons of vitamins and minerals. Kale also has some omega-3 fatty acids. "Green vegetables are super health-promoting foods," says Graf.

Coffee

Another widely consumed beverage—coffee—may also promote heart health. One study found a 10 to 15% lower risk of dying from heart disease or other causes in men and women who drank six or more cups of coffee a day. Other research has found that even two cups a day could lower the risk of cardiovascular disease and stroke by 30%. It's not clear where the benefit comes from and the news isn't necessarily a reason to pick up the habit. "If you're already drinking coffee and enjoying it, continue," says Graf. "If not, there's no reason to start."

Flax seeds

Flax seeds as well as the ultra-chic (among the health conscious) chia seeds are high in omega-3 fatty acids, says Graf. That's one reason they're good for your heart. Another reason is their high fiber content. Plus, there are a million ways to enjoy them. Try them ground up with other heart-healthy foods, such as dried blueberries, cranberries, or oatmeal or even blended with soy milk and fruit to create a smoothie.

Avocado

These soft, tasty fruits have a well-established reputation for providing the body and heart with healthy fats. Like olive oil, they're rich in the monounsaturated fats that may lower heart disease risk factors, such as cholesterol. They're also high in antioxidants and in potassium, says Graf. They can be eaten on their own or blended into guacamole, perhaps with some heart-promoting tomatoes.

Pomegranate

Pomegranates contain numerous antioxidants, including heart-promoting polyphenols and anthocyanins which may help stave off hardening of the arteries. One study of heart disease patients found that a daily dose of pomegranate juice over three months showed improvements in blood flow to the heart. Ultimately, though, it's important to have variety in your diet. If you don't like pomegranates or can't afford them, reach for apples, which also contain plenty of health-promoting compounds, says Graf.

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