Doctor Michael Roizen is the Chief Wellness Officer at the Cleveland Clinic. Dr. Roizen joins Dean Richards to reveal what you should be doing to build your immunity to help fight COVID-19 and other viruses. Dr. Roizen also highlights Persona, the nutritional help website that helps you to assess your nutritional intake. You can take Persona’s free vitamin pack assessment on their website. Also, read Dr. Roizen’s “What to Eat When” book for tips on how to improve your health and life through food.