The health factor

A plant-based diet focuses on fruits, vegetables, grains, beans, peas, lentils and nuts. It's rich in fiber, vitamins and other nutrients. 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. Processed meats also make the risk of death from these diseases go up.

And what you don't eat also can harm your health. Diets low in nuts, seeds, seafood, fruits and vegetables can also make your health risks go up. The good news is that even eating less red and processed meat has a positive effect on health.