What we think, feel, and do have profound effects on our biochemistry, physiology, and health. They modulate our neurotransmitters, hormones, immunity and much more. There's little that is unaffected by our thoughts, feelings, and actions. This approach can make the difference of how our bodies are able to respond to Covid 19. Dr. Len and Francesco delve into analogies between these biological effects and quantum physics. They also connect these concepts of placebo and nocebo into the conversation.