It depends on how bad the head cold is. It varies in each individual person on how fast you will recover.
i dont get it if people are telling you what to do to get better and you dont want to listen then why bother to post? just wondering
It can last up to two weeks
Until you warm it :) joking eat ya self a hot curry and get those secretions flowing clear it in a few hours
don't smoke, drink bulk water. 2 days
since you insists on smoking... 4-5 days