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Mar 23

Pescatarian Diet: How Does it Work? Facts, Benefits and Risks – LIVESTRONG.COM

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In the eating world, there are all sorts of "-arians" these days. There are vegetarians, of course, but also fruitarians (those who eat only or mostly fruit) and even breatharians (those who believe they only need air or sunlight for sustenance please, don't try that one at home!).

A pescatarian diet has been linked to a range of health benefits, including weight loss.

Credit: bhofack2/iStock/GettyImages

Some of these eating approaches are controversial, to say the least, but the pescatarian diet is a sound, scientifically backed plan that can help you reach a variety of health goals.

Here, we'll dig into the definition of pescatarianism along with what pescatarians can and can't eat, the benefits and drawbacks of the diet and everything else you need to know to decide if it's right for you.

The pescatarian diet is essentially a vegetarian diet that incorporates fish or seafood. The diet typically includes animal-based foods like milk and eggs but does not include meat (think: chicken, pork or beef). The term itself is a combination of the words vegetarian and "pesce," which is Italian for fish. For this reason, it is sometimes (but less commonly) spelled pescetarian.

A hurdle in following strict vegetarian diets can be getting enough protein. This isn't usually an issue with the pescatarian diet, though, because it includes fish as a major protein source.

Even though the pescatarian diet is typically regarded as a close cousin to the Mediterranean diet, it can easily be followed with all types of cuisine, including Asian, Indian or Mexican.

You might be surprised at the wide variety of foods you can eat on the pescatarian diet. Overall, it's an extremely flexible way to eat that includes a lot of nutrient-dense foods.

All fruits and vegetables are allowed on the pescatarian diet. That's right all of them.

When you're eating a plant-based diet, your intake of fruits and vegetables should go up (as in, these staples should fill at least half your plate at meals). The 2015-2020 Dietary Guidelines for Americans recommend you get at least 2.5 cups of vegetables each day and 2 cups of fruit (for a 2,000-calorie diet). Let that be your guide and increase the amount as needed to fill your plate.

With a pescatarian diet, one of your major protein sources will be fish. Other protein foods that are allowed on the pescatarian diet are beans, lentils, nuts, seeds, peas, soy products like tofu and sometimes eggs and dairy.

Keep your protein sources healthy, so no deep-fried catfish or fish sticks. Use cooking methods like broiling, roasting or grilling.

Add nuts to snacks and salads to get more protein throughout the day.

Here's the protein content of some popular pescatarian sources:

While fish and seafood are allowed on a pescatarian diet, the 2015-2020 Dietary Guidelines for Americans recommend adults following a 2,000-calorie diet get two servings per week. With that in mind, pescatarians should aim to include other sources of plant-based protein throughout the week.

Since grains are also plants, they will be an important part of your pescatarian diet. Grains provide important nutrients such as B vitamins, calcium, magnesium, fiber and protein.

Your grain choices are vast and limited only by your imagination and maybe cooking skills. The Harvard T. H. Chan School of Public Health calls whole grains the "complete package." Their health benefits include helping with blood sugar control, lowering cholesterol levels and cancer prevention.

Some popular, healthy whole grains include:

The recommendation from the Dietary Guidelines for Americans is to include at least six servings of grains per day and make at least half of them whole grains.

The "gray area" of nutrition are the foods that lie outside of normal meal patterns. This is where good healthy nutrition can take a backseat. Most types of drinks are permitted on plant-based diets, including the pescatarian diet. But to keep your intake healthy, limit or avoid sugary beverages like soda and juice and opt instead for naturally low-calorie beverages like water, coffee and tea.

As for snacks, these should fall within the types of foods that are allowed at meals. Fresh fruit, veggies, yogurt, popcorn, cheese, hummus and nuts are all good choices when planning out your snacks.

If you are staying firm in your convictions to eat a pescatarian diet, then you should not be eating any meat. This means no beef, lamb, poultry, pork or any other animal meat. This also means you should not eat snacks made from meat, such as jerky.

Steer clear of the candy and treats with a lot of added sugar, too. While they are technically pescatarian-friendly, you should always have your eye on the path to health. The American Heart Association (AHA) recommends that women and children keep their intake of added sugar to no more than 6 teaspoons each day and no more than 9 teaspoons per day for men.

Also, consider limiting plant-based "meats," mainly because they are highly processed and may contain large amounts of sodium. Just because you're eating a plant-based diet doesn't mean you can go crazy with salt. (The AHA recommends no more than 2,300 milligrams of salt a day.)

A healthy approach to the pescatarian diet includes two servings of fish or seafood each week.

Credit: bhofack2/iStock/GettyImages

Pescatarians enjoy many of the same health benefits vegetarians do, as well as a few extra.

A plant-based diet is loaded with antioxidants, and these have a huge affect on your health. According to a November 2017 review published in Critical Reviews in Food Science and Nutrition, vegetarians have a reduced risk for heart disease and overall cancer.

Harvard Medical School indicates a plethora or health benefits for those who follow a healthy vegetarian diet, including:

Adding fish to your diet will naturally increase your intake of omega-3 fatty acids, which are present in good amounts in fatty fish like salmon. According to an extensive January 2019 review published in Nutrients, omega-3 fatty acids are important in reducing inflammation, muscle soreness, cardiovascular risk factors and joint stiffness and pain.

If followed in a healthy way, yes, you can lose weight by following a pescatarian diet. According to a September 2019 review published in Translational Psychiatry, people who followed a plant-based diet generally achieved more weight loss than those who followed an omnivore diet.

There are caveats to this, as always, when looking at a certain diet for weight loss. Keep these basic principles in mind if weight loss is your goal:

A pescatarian diet has a plethora of potential benefits, but like any diet, it's key to make healthy choices to reap the biggest rewards.

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There is a lot of noise surrounding the environmental effects of varying diet patterns. According to an April 2019 study published in Nutrients, researchers indicated that a pescatarian diet reduced greenhouse gas emissions by 64 percent relative to diets that include meat, which is slightly more than vegetarian diets at 63 percent. But the vegan diet wins in this regard by reducing greenhouse gas emissions by 83 percent.

The environmental footprint of the pescatarian diet on other environmental factors such as cropland, freshwater, nitrogen and phosphorus use are comparable to vegetarian diets and less than meat-oriented and protein-oriented eating plans. So, if you are looking to reduce your footprint on the environment with your diet, plant-based eating is a great way to start.

When switching to a pescatarian diet, you are likely to experience some frustrations.

Meal planning: One of the biggest changes when adopting a plant-based diet is the need for meal prep and cooking. While there are shortcuts in the grocery store (pre-cut veggies, canned beans, pre-cooked grains), it is essential that you have a plan in place every day for meals. Otherwise, you might get stuck at the snack machine staring down all the not-so-healthy (albeit pescatarian-friendly) options.

Mercury in fish: Another concern when adding large amounts of seafood to the diet is the risk of ingesting too much mercury. For this reason, the National Institute of Environmental Health Sciences indicates those who should watch their seafood intake include young children, pregnant women and nursing mothers. However, up to 12 ounces a week of fish low in mercury levels is fine for most people.

Fish with high levels of mercury are shark, swordfish, king mackerel and tilefish these should be limited or avoided. Get the full breakdown here on fish with the highest and lowest mercury levels.

If you're looking to make the change to a healthier diet and not sure where to start, the pescatarian diet may be for you. Following a plant-based diet is a healthy and sustainable diet pattern that has proven to provide health benefits and reduce the risk of many common chronic conditions.

If dieting and meal planning leaves you frustrated and confused, ask for help. Reach out to your health care team and ask for a referral to see a registered dietitian nutritionist who can guide you in the right direction with your current health conditions, activity level and goals.

Originally posted here:
Pescatarian Diet: How Does it Work? Facts, Benefits and Risks - LIVESTRONG.COM

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