The heretical Minnesota heart study: When science stops asking questions

In the second half of the 20th century, conventional wisdom in the medical community held that overconsumption of saturated fats — the kind found in milk, cheese, meats and butter — was dangerous. And so, between 1968 and 1973, a well-planned, well-executed study involving more than 9,000 patients was performed to test this widely accepted relationship between diet and heart disease.

The results of the Minnesota Coronary Experiment were notable for two reasons. First, the findings contradicted much of what was believed at the time: The study demonstrated that people who ate a diet rich in saturated fats did not go on to have more heart disease than those who ate a diet rich in polyunsaturated fat from vegetable oil.

Read Article (Chicago Tribune)