Walter Willett

Walter Willett is a prominent American nutrition researcher and physician known for his work on how diet affects health. He has contributed significantly to understanding the impact of different foods—such as whole grains, vegetables, and healthy fats—on disease prevention, including heart disease and cancer. Willett emphasizes a balanced, plant-based diet and the importance of healthy lifestyle choices. As a professor at Harvard School of Public Health and Harvard Medical School, he has influenced dietary guidelines and public health policies, advocating for evidence-based eating habits to improve long-term health outcomes.