Legumes: A quick and easy switch to improve your diet

Beans, peas, and peanuts are high in protein but lower in saturated fat than red meat.

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Looking for a quick way to improve your diet? Try swapping some of your regular servings of red meat with legumes.

"People will ask me, is red meat bad for me? And my answer is, compared to what? Compared to sugar, no. Compared to legumes, yes. That's where I think legumes come in. They are especially beneficial if they can replace red meat," says Dr. Meir Stampfer, a professor of epidemiology and nutrition at the Harvard T.H. Chan School of Public Health.