The immune system is a complex network of cells and proteins that defends the body against infection. The immune system keeps a record of every germ (microbe) it has ever defeated so it can recognise and destroy the microbe quickly if it enters the body again.
Signs your immune system is low:
- Stress levels are sky high
- You always have a cold
- You have lots of stomach problems
- Your wounds are slow to heal
- You have frequent infections
- You feel tired all the time