All those who, like me, have been a bit surprised by Jeff's advice of not limiting fats, drink full fat milk, avoid sugar, etc may find this read interesting
http://www.theguardian.com/society/2016/apr/07/the-sugar-conspiracy-robert-lustig-john-yudkin
Indeed it is scary to notice how nutrition guidelines which are at best problematic, if not plain wrong, are so engrained in common knowledge and even expert advice...