There are various health advantages associated with a vegetarian diet .

If you’re thinking about abandoning red meat and poultry in favor of a predominantly plant-based diet, it’s important to know what the nutritional benefits are of vegetarian and vegan diets.

“There’s certainly some research on the benefits of the vegetarian diet,” says Kathy McManus, Director of the Department of Nutrition at Brigham and Women’s Hospital. She ticks off the various advantages associated with this way of eating – lower body mass index and blood pressure, and reduced risks for heart disease, diabetes, and cancer.

If you’re thinking about going vegetarian or vegan, but are worried about making a big change in how you eat, know that there are many different layers to this way of eating. The most common approaches are these:

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