In Genius Foods, my book with coauthor Paul Grewal, M.D., you’ll find an eating plan that’s both nutritious and delicious. Make these easy swaps and watch your weight drop, your brainpower surge, and your tastebuds rejoice. On your salad Shake on …Salted pistachios to take in heart-healthy fats with a satisfying crunch. Not:Croutons. Many packaged