Deciding between the Atkins Diet, Mediterranean diet or a traditional low-fat/high-carbohydrates diet? It really doesn’t make a lot of difference, says a team of Israeli nutrition experts. Your chances of losing weight with any of the three hinges on eating more vegetables and cutting down on sweets than on whether you consume lots of meat and fish (as Atkins advises), olive oil and legumes (Mediterranean-style) or pasta and potatoes (the low-fat route).