Is it possible that the immune cell systems won’t work? Is so, what will happen next?

Question: Is it possible that the immune cell systems won’t work? Is so, what will happen next?
- Keywords:
  cell,
  immune,
  system
Asked by JackScienceFan13 to Sergio on 14 Nov 2019.
- Sergio Martin Saldana answered on 14 Nov 2019:
  
  Great question! Yes it is possible. Actually multiple sclerosis is a good example. In MS the immune cells reacts against the myelin of the neurons “thinking” that the myelin is a foreign molecule that could cause damage to our brain and spinal cord

Question: Is it possible that the immune cell systems won’t work? Is so, what will happen next?