The Big Fat Surprise: Why Butter, Meat and Cheese Belong in a Healthy Diet

Investigative journalist Nina Teicholz examines the scientific basis for low-fat dietary advice over the past sixty years. She argues that conventional wisdom about dietary fat—particularly saturated fat—is incorrect, and that the widespread promotion of low-fat diets has had negative health consequences for the population. Teicholz documents how misinformation about saturated fats became established in the scientific community and public understanding. She contends that recent findings contradict earlier beliefs about fat consumption and its relationship to obesity, diabetes, and heart disease. The book addresses why the Mediterranean Diet may not be the healthiest option and raises concerns about trans fat replacements. Teicholz attributes nutrition science's errors to researcher bias, ego, and premature institutional consensus. She argues that increased dietary fat consumption—including saturated fat from sources like meat, cheese, whole milk, and eggs—supports better health outcomes than the low-fat approach that has been recommended for decades.