Might be a bit of a stretch to call these "lies". More like crappy science dressed in the Emperor's clothes. The government gave them its imprimatur and we kept trying to pretend we could see them.
A few decades ago it was decided that the epidemic of heart disease was caused by eating too much fat, in particular saturated fat. This was based on highly flawed studies and political decisions that have now been proven to be completely wrong.
A massive review article published in 2010 looked at 21 prospective epidemiological studies with a total of 347.747 subjects. Their results: absolutely no association between saturated fat and heart disease (6).
The idea that saturated fat raised the risk of heart disease was an unproven theory that somehow became conventional wisdom (7). Eating saturated fat raises the amount of HDL (the “good”) cholesterol in the blood and changes the LDL from small, dense LDL (very bad) to Large LDL, which is benign (8, 9).
Meat, coconut oil, cheese, butter… there is absolutely no reason to fear these foods.
Read more: http://authoritynutrition.com/11-biggest-lies-of-mainstream-nutrition/#ixzz2uvOEQb18Bottom Line: Newer studies have proven that saturated fat does not cause heart disease. Natural foods that are high in saturated fat are good for you.