How your immune system works - part 3

How simple it is to understand how the immune system works?
Do you have a strong immune system to protect you, or do you still rely on science, big pharma, your doctor and their chemical-based medicine? Because nowadays you DO need a strong immune system. After all, the best defense is a strong offense. Right?

Learn more about the complete health puzzle.
https://patriotofhealth.com/the-puzzle/