09 Aug 2018 --- Trending ketogenic diets, which are low carbohydrate high fat eating plans that are known to lead to weight loss, may cause an increased risk of Type 2 diabetes in the early stage of the diet, according to new research published in The Journal of Physiology. Zurich-based researchers showed that even though ketogenic diet fed animals appear healthy in the fasted state, they exhibit decreased glucose tolerance to a greater extent than high carbohydrate, high fat, western style diet (HFD) fed animals.