5 benefits of a plant-based diet (2024)

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November 2019 : 5 benefits of a plant-based diet

No one food can reduce your risk for cancer, but there is an overall diet that can. Learn what it means to eat a plant-based diet and see all the ways it can help your body.

BYHeather Alexander

If you've given any thought to cancer prevention, you have probably thought about your diet. Almost every week a new trend is hitting the health food headlines. It can make it almost impossible to settle on what to eat and not eat.

But there is one diet that is consistently proven, over more than two decades, to reduce your risk for cancer. It is a plant-based diet.

Eating plant-based does not mean you can’t eat meat. It means your meals are mostly plants: vegetables, whole grains and fruits. Beans, seeds and nuts are also included.

Fill two-thirds of your plate with these plant-based foods. The remaining one-third should be a lean protein like chicken or fish, or a plant protein like tofu or beans.


Why plant-based?

It supports your immune system. Plants have essential nutrients that you cannot get from other foods. The vitamins and minerals, phytochemicals and antioxidants in plants help keep your cells healthy and your body in balance so that your immune system can function at its best.

“Plants give your body what it needs to help fight off infection,” says Andrea Murray, MD Anderson health education specialist. “A plant-based diet strengthens your immune system to protect you against germs and microorganisms.”

A healthy immune system is essential for reducing your risk for cancer because it can recognize and attack mutations in cells before they can progress to disease.

Plant foods reduce inflammation. Plants’ essential nutrients work to resolve inflammation in your body. The same tiny phytochemicals and antioxidants that boost your immune system also go around your body neutralizing toxins from pollution, processed food, bacteria, viruses and more.

“Antioxidants in plants grab all these so-called free radicals that can throw your body off balance,” says Murray. “To reduce inflammation, it’s important to eat plant-based and to listen to your body’s signals for how foods work for you.”

Prolonged inflammation can damage your body’s cells and tissue and has been linked to cancer and other inflammatory diseases like arthritis. A plant-based diet may protect you because it removes some of the triggers to these diseases.


A plant-based diet helps maintain a healthy weight.
Staying at a healthy weight is one of the most important things you can do to reduce your risk for cancer. When it comes to cancer, the only thing more important than maintaining a healthy weight, is not smoking.

This is because excess weight causes inflammation and hormonal imbalance. If you are overweight or obese, your risk is higher for 12 different types of cancer includingcolorectal, post-menopausalbreast,uterine,esophageal,kidneyandpancreaticcancers.

If you eat mostly plants, you remove many of the foods that lead to weight gain. Add in exercise and you’re on a path towards weight loss.

Plants are high in fiber. Fiber is present in all unprocessed plant foods. It is what makes up the structure of the plant, and if you eat more of it you access a whole host of benefits.

Eating a plant-based diet improves the health of your gut so you are better able to absorb the nutrients from food that support your immune system and reduce inflammation. Fiber can lower cholesterol and stabilize blood sugar and it’s great for good bowel management.

Fiber is very important for reducing your cancer risk. This is especially true for your risk for the third most common cancer: colorectal cancer.

A plant-based diet reduces your risk for other diseases too. The benefits of eating mostly plants are not limited to reducing your cancer risk.

A plant-based diet also has been shown to reduce your risk for heart disease, stroke, diabetes and some mental health illnesses.

Make sure your plant-based meals are healthy

Even a plant-based meal relies on you to avoid the major diet pitfalls, like sugar and fat.

Using healthy cooking methodsand knowing how to make the most of your vegetables can help you get all the benefits a plant-based diet offers.

This means deep-fried vegetables are out. So are highly processed foods like crackers and cookies.

Limit sugary desserts as well and make sure you are picking whole grains. Regular pasta, white bread and white rice may be plant products, but they are not made from whole grains. Choose 100% whole wheat pasta and bread, and eat brown rice.

Choosing plants will help all your body’s systems work the best they can.

“We just have to eat plants. They are so important for our body’s long term health,” says Murray.

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      5 benefits of a plant-based diet (2024)

      FAQs

      5 benefits of a plant-based diet? ›

      The major benefits for patients who decide to start a plant-based diet are the possibility of reducing the number of medications they take to treat a variety of chronic conditions, lower body weight, decreased risk of cancer, and a reduction in their risk of death from ischemic heart disease.

      What are the benefits of a plant-based diet? ›

      The major benefits for patients who decide to start a plant-based diet are the possibility of reducing the number of medications they take to treat a variety of chronic conditions, lower body weight, decreased risk of cancer, and a reduction in their risk of death from ischemic heart disease.

      What are the three main reasons for eating plant-based? ›

      Here are three reasons to incorporate more plant-based foods into your daily diet to liven things up!
      • Brains Benefit from Beta-Carotenes.
      • Fiber Fights the Flu.
      • Discover Different Delicious Dinners.
      • Here are a few ways you can add plant-based foods to your life:

      What happens to your body when you go plant-based? ›

      Plants are high in fiber.

      Eating a plant-based diet improves the health of your gut so you are better able to absorb the nutrients from food that support your immune system and reduce inflammation. Fiber can lower cholesterol and stabilize blood sugar and it's great for good bowel management.

      What 5 foods do you eat that are plant-based? ›

      Vegetables, fruits, legumes, whole grains, seeds, and nuts are the stars of all plant-based diets. More and more people seem to be making the switch to plant-based diet foods.

      What are the healthiest plant-based foods? ›

      Vegetables: kale, spinach, tomatoes, broccoli, cauliflower, carrots, asparagus, peppers, etc. Starchy vegetables: potatoes, sweet potatoes, butternut squash, etc. Whole grains: brown rice, rolled oats, farro, quinoa, brown rice pasta, barley, etc. Healthy fats: avocados, olive oil, unsweetened coconut, etc.

      What is the downside of a plant-based diet? ›

      While a well-balanced plant-based diet can provide a wide range of nutrients, certain essential nutrients are more abundant in animal-derived foods. Plant-based diets can sometimes lead to nutritional deficiencies such as vitamin B12, iron, zinc, calcium, and omega-3 fatty acids.

      How long does it take to see results from a plant-based diet? ›

      Studies have shown that a vegan diet can reduce your weight by an average of 5.6 pounds in 18 weeks, or less or more than a third of a pound per week! In theory, you can lose up to 63 pounds in a year.

      What are the benefits of a no meat diet? ›

      And people who don't eat meat, called vegetarians, generally eat fewer calories and less fat. They also tend to weigh less. And they have a lower risk of heart disease than nonvegetarians do. Research shows that people who eat red meat are at a higher risk of death from heart disease, stroke or diabetes.

      What foods should you avoid on a plant-based diet? ›

      You'll restrict grains and foods made with them, such as bread and pasta. You also limit starchy vegetables like potatoes and corn, as well as beans and legumes. And you'll cut high-sugar tropical fruits such as pineapple, mango, and bananas, as well as fruit juices and sweets.

      What happens to your body when you start eating whole foods? ›

      In contrast, whole foods are typically lower in sugar and rich in fiber, which can help to stabilize blood sugar levels and provide sustained energy. In addition, the act of cooking and preparing whole foods can be a therapeutic and relaxing activity that can help to improve your mental well-being.

      Is plant-based actually healthy? ›

      Is a plant-based diet healthy? Yes. A plant-based diet is considered to be nutrient-dense and packed with fiber, healthy fats, protein, vitamins, and minerals. It is a very healthy way of eating and can meet all of your nutrient needs.

      Can I eat eggs on a plant-based diet? ›

      Eggs can and should be part of a plant-based diet, and these five suggestions showcase how easy it is to incorporate the incredible egg into your plant-forward dishes.

      What are the Super 6 plant foods? ›

      Spotlight the Super Six:

      When it comes to the plants you eat, you want to eat from across the six different plant groups: vegetables, fruits, wholegrains, legumes (beans and pulses), nuts and seeds, and herbs and spices.

      Can I eat bread on a plant-based diet? ›

      Vegans can eat bread that does not contain animal products or byproducts. This includes breads that only use some variation on flour, water, yeast, and salt including ciabatta, baguette, focaccia, sourdough, pita, and ezekiel breads.

      Can I eat pasta on a plant-based diet? ›

      Pasta dishes make an excellent option for those adhering to a plant-based diet for several reasons. To start, pasta is a natural plant-based food made simply from grain, and it is also and easy food to incorporate other plant-based foods into, like veggies and beans.

      Can you lose weight on a plant-based diet? ›

      Looking at observational, interventional, and meta-analytic research, it appears that plant-based diets are effective tools for losing body weight and maintaining lower body weight.

      How quickly do you see the benefits of a plant-based diet? ›

      Just ten days of eating a plant-based diet consisting of fruits, vegetables, whole grains, and legumes can reduce blood pressure by 10 mmHg or more and allow medications to be reduced, Kahn says. Some people might even be able to cut their meds within a few days, or weeks, under doctor supervision.

      Is a plant-based diet better for your gut? ›

      Eating a variety of different plants has been shown to promote the growth of beneficial microbial species in your gut. A healthy gut microbiome provides benefits across the body. These include improving the immune system and digestive health, as well as reducing inflammation.

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