Life What is the healthiest nut? Add these two to your daily diet for cognitive benefits and much more. April 2, 2023April 3, 2023Clare Mulroy, USA TODAYComments Off on What is the healthiest nut? Add these two to your daily diet for cognitive benefits and much more. What's the healthiest nut? All nuts provide healthy fat, fiber and protein. But here are two that provide unique nutritional benefits.