Part 5/15:
Both experts criticize longstanding dietary guidelines that severely restrict saturated fats and cholesterol—rules rooted largely in outdated epidemiological hypotheses. Dr. Kahn points out that global health organizations such as the World Health Organization and the American Heart Association have maintained recommendations to limit saturated fat based on early assumptions about blood cholesterol and heart disease. Yet, recent large-scale reviews and clinical trials show no consistent link between high saturated fat intake and increased risk of mortality or cardiovascular events.