The history of animal fats and so-called ‘vegetable oils’ is one guided by passionate scientists, industry financing, and powerful institutions. Testing the theory In the 1950s, biologist Ancel Keys created the ‘diet-heart hypothesis’, the theory that saturated fat consumption causes heart disease. A prolific researcher, Keys was always careful to state that his epidemiological studies only showed anContinue reading “Saturated Vs Polyunsaturated Fats: How Health Consensus Was Reached”