Meat lover's guide to healthy eating

If you're going to eat red meat, make sure it's lean and that portions are small.

You've probably been reading that your diet should be filled mainly with vegetables, fruits, whole grains, and lean proteins such as fish, poultry, nuts, and legumes. But what if you don't want to give up the occasional steak? "I'm definitely trying to move people in the direction of a more plant-based diet. But you don't have to be a vegetarian in order to be healthy," says registered dietitian Kathy McManus, the nutrition department director at Harvard-affiliated Brigham and Women's Hospital.