Question

HOW DO WE FALL ILL? ANSWER WITH EXPLANATION

Answer 1

When our  immune system  become successful to create infections in our body.And we lose our resistance power to fight  pathogens like bacteria, viruses or protozoa,on that time we fall ill 

Answer 2

Answer:

It may be caused due to the attack of pathogens (virus, bacteria), lack of nutritious diet/balanced diet and lack of public health services. The disease which lasts for only a short period of time is called Acute Disease. For example: Influenza (Flu), Common cold, etc