B. Is the correct answer, however if this happens over a long period of time, it will develop into C.
That is true
Hope this helps
They would be able to easily access your organs, give you an infection, make you sick, or kill you depending on the type of germs.
If you want to stop it without using any medication, the best way to do it is by drinking warm herbal liquid like the mixture of warm tea and a little bit of honey or the mixture of warm water with a little bit of salt
If you want to stop it using medication, it's probably best to use the one that contained pepto-bismol or simethicone