Learn how your diet may be affecting your IQ. We used to think that our IQ was fixed based on our genetics. But now we know that just as our genes can change during our lives, so can our neurons.
It seems counterintuitive that we need to eat (natural) fats to burn fat, but we do. You are what you eat, but that's not the whole story! Many people on a low-fat diet lose their ability to burn fat, though they can still store it very effectively.
The advice to cut cholesterol almost always leads to eating more carbs, which increases triglyceride and often LDL levels, which leads to being placed on cholesterol pills, which can cause diabetes.