For decades fat was the enemy. Low-fat products dominated supermarket shelves and dietary guidelines warned against saturated fat. Then the science shifted. Sugar — particularly added sugar and high-fructose corn syrup — emerged as the real culprit behind obesity, type 2 diabetes and metabolic disease. Today most nutritionists agree that refined sugar is more harmful than natural fats. But the debate is not settled. Healthy fats like olive oil and avocado are clearly beneficial. Refined carbohydrates and sugar are clearly harmful. But what about the middle ground? Is sugar genuinely worse than fat or has the pendulum swung too far?
