Dr. John McCullough is a prominent American cardiologist known for his work in heart health and disease prevention. He has contributed significantly to medical research and education, focusing on the importance of lifestyle changes in managing cardiovascular conditions. His expertise has made him a sought-after speaker and consultant in the field of cardiology. In addition to his clinical practice, Dr. McCullough has authored numerous articles and books, sharing insights on topics such as nutrition and exercise. He is also recognized for his involvement in various medical organizations, including the American College of Cardiology and the American Heart Association.