The fast food consumption is prevailing very much among adults. Frequent fast-food consumption is associated with weight gain which has linked to various risk factors. And, consuming large portions of fast food has been associated with obesity. The main purpose of the study is to analyze the impact of fast food consumption and obesity among adults. Around 18% of adolescents are obese. Based upon a cross sectional study infers various factors associated with adolescent obesity such as consumption of fast food, physical movement activity, attitudes about fast food, and weight perception among overweight adults were more likely to underestimate themselves based on weight compared to normal weight and obese respondents. These results indicate a clustering of risk factors for obesity. The frequent fast food consumption and infrequent physical activity were associated in the present study impact the scales of energy balance. Through this study, health professionals could focus on raising awareness of the overall diet quality of adolescents who frequently consume fast food while encouraging healthy, fun alternatives to fast food. Also, screening for overweight status and supporting for healthy eating are key elements in reducing adolescent obesity.