Background; Unhealthy dietary patterns or fast-food consumption increase the probability of physical health problems. Junk food consumption effect the physical appearance as well as can be the cause of mental illness.

Aim: The main aim of the study is o observe the perception of junk food consumption and the associated physical and mental health problems.

Methodology; The data was collected using self-designed questionnaire on junk food consumption and related mental or physical issues. The questionnaire was distributed physically to the students with their written consent. The data was collected from 200 students enrolled at a private medical college in Lahore. The data was analyzed and chi-square test of association was used to observe and any link between junk food consumption and health issues.

Results; It was seen that 90% of the total female students were ate fast food while, it was evident in 96% for the male students in comparison to female students. The overall fast-food consumption is 70%. It was seen that fast food consumption has been significantly associated with mental health. Fast food consumption was also found to be associated with less physical wellbeing and risk of obesity.

Conclusion; Male students were found to be more involved in junk food consumption. The significance link of fast-food intake was observed with progress in mental health. Intake of fast food also found to be associated with anger and depression. Consumption of fast-food increases the risk for weight gain and obesity.

Keywords: Consumption, Fast food, Junk food, Obesity, Risk.