The ketogenic diet has become the go-to healthy diet for losing weight, managing diabetes, and possibly preventing and managing conditions such as neurodegenerative illnesses and cancer. The transition to a keto diet can be difficult, but this “induction” phase doesn’t have to be! Bestselling author of The KetoDiet Cookbook, Martina Slajerova, explains the first tricky few weeks as your metabolism readjusts to burning fat rather than carbs.