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Description
Each time you use nicotine, your body removes a little, but if you keep using it, theres always some left behind
The bacteria responsible for gum disease releases corrosive, acidic waste that causes gums to bleed and become sore and inflamed

Eardrops can also be administered, unless you suspect eardrum perforation

What you should do

PLoS ONE 9 , e89948, 10.1371/journal.pone.0089948 (2014)
