Dr. Neal Barnard is president of the Physicians Committee of Responsible Medicine (PCRM). He dedicates his life to promoting a plant-based diet to save people from illness and disease. In this Tedx Talk, Dr. Barnard tells the story of his father and how he unfortunately died of Alzheimer’s disease. He gives viewers hope by talking about scientific studies and providing evidence how the food you eat affects your brain, and how it can either lead to Alzheimer’s, or prevent it. Whether you are vegan or not, this talk is educational and motivating.