Harvard Heart Letter

Cholesterol: What's diet got to do with it?

For many people, focusing on lowering dietary cholesterol alone has little effect on their blood cholesterol level. Limiting saturated fat (found mainly in animal-based foods like meat and cheese) may help lower blood cholesterol. But the source of calories used to replace those missing calories makes a difference. Substituting with unsaturated fats (found in fish, nuts, and plant oils) is likely beneficial, while substituting with refined carbohydrates (foods full of white flour or sugar) is not.
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 »