16 Jun 2016 Blackmores Institute Mediterranean diet high in healthy fat does not lead to weight gain rct 16 Jun 2016 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News Eating a non-calorie restricted Mediterranean diet high in vegetable fats such as olive oil or nuts does not lead to significant weight gain compared to a low-fat diet, according to a large randomised trial. The study, published today in the Lancet Diabetes & Endocrinology journal, suggests that current health guidelines that recommend a low-fat, low-calorie diet create unnecessary fear of healthy fats present in a Mediterranean diet, which have known health benefits. × To continue reading this article, please Log In or Sign Up for access.