smoker have more fewer friendly bacteria and more pathogens (A) in the nasopharynx ,the upper part of the throat behind (B) the nose and i higher levels of bacteria that couses skin infections and oral diseases ( in tino me wrong kon hai Grammer ke base pr )
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(A) in the nasopharynx ,the upper part of the throat behind
simran379:
hi
fine u
simran
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