Today on Health & Longevity, Dr. John Westerdahl's featured guests are the coauthors of the new book, COVID-19: A Natural Approach, Susan Moss and Dan Marquez. Dr. Westerdahl and his guest discuss natural approaches to prevent and boost your immune system to fight against COVID-19. Some more natural methods may be considered controversial as science tries to determine what natural lifestyle habits and natural therapies can be effective in offering protection against the world's current pandemic. Dr. Westerdahl and his guests discuss some of these natural methods.