If you fear fatty foods or aren’t prepared to drastically cut your carb intake, the keto diet might be hard for you to stick with. Jumping into high-fat, low-carb eating? Here are 10 things you need to know to sidestep challenges and set yourself up for success. The ketogenic diet — a high-fat and very low carb eating plan — can be tough to start. After all, it’s likely a radical departure from the way you’re eating now (a typical standard American diet is high in carbohydrates and processed foods). But many people are trying the keto diet, which puts your body in a state of ketosis. That's what happens when your body’s carb-burning switch flips to a fat-burning one, a change that can cause weight loss and has even been credited with controlling type 2 diabetes, a small past study suggests.