If we look at the vast majority of our history as a species, it’s food scarcity and not overeating that impacted mortality. In the developed countries to varying degrees we have now gone in the other direction. I will go into my reasons below, but the short answer is no, it’s not a fad and yes, keto is safe for almost all people. Eating fat and healthy vegetables together keeps you feeling full longer, Trimfit Plus Keto says Laska, who recommends sautéing vegetables in oil or dipping celery sticks into guacamole. For to-go coffee orders, ask for cream on the side so you can control the fat.