Purpose: This study was conducted to find out how time spent viewing mukbangs affects food-related behaviors in adult men and women. Methods: A survey was conducted with 400 adult men and 400 adult women who had experience in viewing a mukbang. Results: For general information, there was no significant difference between the genders in the number of hours spent viewing mukbangs per week. But for younger people with viewer family members, and lower income levels, the difference (p<0.001) was greater. There was also a significant difference (p<0.001) between adult men and women who would view a mukbang together, compared to those who would view it alone. The majority of adult men and women said they viewed mukbangs alone, and for them there was a significant difference (p<0.001) in the time spent, compared to those who viewed mukbangs with family or acquaintances. There was also a significant difference in viewing time (p<0.001) between men and women who eat with others, compared to those who eat alone. Men and women who eat alone viewed mukbangs for a longer amount of time compared to those who eat with family or acquaintances. In both men and women, as the time spent viewing mukbangs increased, the frequency of eating breakfast decreased (p<0.001), while the freq...