13 to Dec. 15. When asked which diets they plan to try, 40% said they are going to attempt to eat fewer calories, while 26% said they'll go on a low-carbohydrate diet, such as keto, Atkins ...

The ketogenic diet may raise the risk of higher cholesterol, but the protein-based eating plan has been shown to reduce mental illness symptoms in even the toughest cases. Getty Images/iStockphoto ...

Unlike the traditional ketogenic diet, protein is not usually restricted. This can make it more flexible and easier to plan and prepare meals. MCT stands for medium chain triglyceride. Less fat is ...