It’s good for a quick fix, but most people I know can hardly give up pasta and bread, let alone beans and fruit.” It doesn’t teach you how to acquire healthy eating habits. “The keto diet is just not sustainable over the long term. That’s less than one apple!” said nutritionist Lisa Drayer, a CNN contributor. “When you are on the keto diet, you drastically cut your carbs to only 20 per day. The 2015-20 dietary guidelines for Americans suggest that 45% to 65% of daily calories come from carbs but less than 10% from saturated fat. Though the experts on the US News and World Report panel that created the list said eating that way isn’t harmful short-term, they ranked the diets poorly on long-term weight loss success, ease of use and overall impact on health.įor the relatively new keto diet, the experts were especially concerned about extremely high fat content – about 70% of daily calorie intake – as well as unusually low carbohydrate levels: only 15 to 20 net carbs a day. Looking for that New Year's resolution diet? Try the 'non-diet diet'

AFP PHOTO / ALEXANDER KLEIN (Photo credit should read ALEXANDER KLEIN/AFP/Getty Images) ALEXANDER KLEIN/AFP/Getty Images/file Cakes and pastries are a very popular feature of Austria's cuisine. A chocolate truffle torte cake is seen in Vienna on April 20, 2013.