By Dr. Andrew Biggs, DC | Principled Chiropractic | Royal Palm Beach, FL When most people think about their immune system, they think about vitamin C, hand washing, sleep, and maybe a zinc supplement during cold and flu season. These are all reasonable things to think about. There is a connection between immunity and the health of the human body that almost never comes up in these conversations, one that has been documented in scientific research for decades and that changes