Alex Trebek, host of Jeopardy, says he intends to fight his pancreatic cancer. A keto diet may help. (Photo: ScreenCap)
Alex Trebek, host of Jeopardy, says he intends to fight his pancreatic cancer. A keto diet may help. (Photo: ScreenCap)
Gwyneth Paltrow is one of a slew of celebrities who follow a low-carb, high-fat keto diet. (Photo: Elle)