Ancel Keys

Ancel Keys was an American scientist known for his research on diet and heart health. He studied how different countries' diets affected their rates of heart disease, leading to the idea that high saturated fat intake might increase the risk. His most famous study, the Seven Countries Study, helped establish the link between lifestyle and cardiovascular health, influencing dietary guidelines worldwide. Keys emphasized the importance of a balanced diet with healthy fats, fruits, and vegetables, and his work significantly contributed to understanding how nutrition impacts heart disease prevention.