This study assessed the consumption pattern of fast foods (Indian fast food, IFF; and Western fast food, WFF) and awareness of health hazards related to fast food among teenagers (boys and girls; 12-19 years). The data was collected for questionnaire related to fast food consumption viz., attraction for fast food, satisfaction with fast food, reason for cooking fast food at home, frequency of consuming fast food, Size of fast food preferred, reason for taking fast food with variables, favorite place for having fast food, choosing a particular place to consume, and having earlier any type of educational knowledge or educational programme about fast foods. PCA revealed that (1) attraction for fast food among teenagers is not for relaxation, but the advertisement lures teenagers to fast food, (2) preference for fast food influenced by its deliciousness and convenience, and when it comes to status symbol price doesn’t matter; (3) cooking fast food at home is not due to a change from regular diet, (4) fast food consumption is not so frequent, it is twice a month mostly, (5) size of fast food, small and medium mostly preferred, (6) choosing the fast food influenced by the decrease in comfort/relax level in teenagers, (7) home cooked may not be satisfying to the teenagers, (8) choosing a particular place to consume fast food influenced by location of fast food corner to some extent, and (9) lack of regular curriculum based awareness led to shift for other awareness and educational programmes. | Principal component analysis for fast food consumption among teenagers of Sabour Block in Bhagalpur, India