One function is that they treat and prevent diseases
They also have the function of shutting down business in the case of a medical emergency
1. So the patient could make a prevention before the illness happen, not just taking care of it when it happens
2. Doctor will not available 24/7 for most people, so an education in self-care will give a little bit knowledge how to handle emergency situation when professionals are not available
3. Self-care will affect all aspects of people's life. It will influence our productivity in our job, mind positivity, etc.
