Question

Why diseases occur and how to prevent and cure?

Answer 1

many micro organisms cause diseases.The micro-organisms that cause many types of diseases are known as pathogens and there are many types of bacteria, viruses, protozoa and fungi which cause them.
many ways to stay away from these are there but prevention is better than cure.there are different types of preventing methods for all these organisms

Answer 2

Disease occur due to weakening of nervous system. We can prevent by making us safe from external harmful environment. We have to follow the policies 'prevention is better than cure' and 'health is wealth'