Questions a reader should ask: What was the percent fat in relation to carbohydrates/protein? From what I've read read both a low fat (<20%) and extremely high

Questions a reader should ask: What was the percent fat in relation to carbohydrates/protein? From what I've read read both a low fat (<20%) and extremely high fat (75-80%) are healthier than a high fat diet (45%). What type of fat was added to their diets? All fats were not created equal.