This is because you have had it before therefore your body knows how to get rid of it,you have also become more amuned to it.
we are able to get rid of a certain illness sickness or even pathogen faster the second time you get it due to the fact our bodies have had it before which mean they have experienced how to get rid of it
Well people who has been smoking for a long time maybe 5min and people who did it for a short time them maybe like 2 hrs
if a school implements a health program there will be lower rates of allergies, fewer days missed due to illness, less risk of measles outbreaks and better standardized test scores.