Why is it important to study about social problems?

why is important to dignosis the pathological part of human body? on the basis of pathological reports,patients are properly treated. Accoding to that medicines have been given them.Same way Societal pathological report is very important to know the diseases of society. after knowing they can be cured.in absence of this many new evils will take place ,which are very harmful for society. To control the deviational behaviour one should study social problems.