Question

Commonly believed that a bad cold takes 7 says to subside automatically even after taking medicine why

Answer 1

It depends on the imune system of an individual. And it also depends on the weateher conditions of the area where u live and the third reason is pollution it canbe any among the major 4 ones.Frankly, I'm having cold myself and it broke the record I cansay that my imune system is very much weak.If someone else had a cold he may get well soon.
Hope it helps u