The fat paradox -- Why we now think saturated fat is unhealthy -- Diet-heart hypothesis becomes policy -- The flawed science behind saturated vs. polyunsaturated fats -- The diet-heart dogma goes to Washington -- Benefits would be shared by all? -- Lost at sea on the Mediterranean diet ... -- The bad bargain: replacing sat fats with trans fats -- Getting rid of trans fats: an even worse unintended consequence? -- Why fat (including saturated) is good for you -- Conclusion.