Which of the following is not a cause of Squamous cell Carcinoma for Head & Neck:
EBV
HPV
Betel Nut
Vitamin A
Risk factors for head and neck cancer Tobacco Alcohol Prolonged sun exposure Viruses (HPV) & (EBV) Gender M>F, age > 40yrs Poor oral / dental hygiene; betel nut consumption Environmental or occupational factors Poor nutrition - vitamin A & B deficiency, iron deficiency In question they have mentioned vitamin A NOT vitamin A deficiency