Harvard Heart Letter

In with the good, out with the bad

Our bodies need protein, carbohydrates, and fat, but some kinds are better for us than others. It's important to eat the right kinds and quantities of these components in order to receive the most benefit from them.
To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »