Ansel Keys

Ancel Keys was a renowned American scientist who studied nutrition and health, particularly the relationship between diet and heart disease. He is best known for his research in the mid-20th century, which helped identify how high saturated fat intake could contribute to cardiovascular problems. Keys conducted the famous “Seven Countries Study,” which showed differences in heart disease rates across populations with varying diets. His work influenced public health recommendations on healthy eating, emphasizing the importance of balanced diets low in saturated fats for heart health.