Abstract: Inadequate nutrition awareness and many other risk factors contribute to severe disorders or diseases. Nowadays, individuals are more concerned about better taste and presentation than health. Advertisements and peer pressure play a vital role, and also other factors lead to many diseases related to obesity. The study was conducted to evaluate the fast-food consumption and factors influencing fast food consumption; moreover, to assess health complications related to obesity among university students suffering from obesity. A cross-sectional study was conducted at Fatima Memorial College of Medicine and Dentistry, and The University of Lahore, Lahore, over four months. A total number of 200 adolescent females were selected through a non-probability convenient sampling technique. Data were collected through a self-structured questionnaire. SPSS version 21.0 was used. Out of 200 students, 56% of students preferred to eat fast food over healthy food while 44% of students did not prefer. Moreover, 63% of students consumed fast food daily. 37% of students ate healthy food, 57% of students consume junk food daily, 43% of students preferred to eat junk food daily, while 57% of students liked sugary food daily.