[3] The term comfort food can be traced back at least to 1615, where in the beginning of the second part of Don Quixote, at the beginning of chapter one, Quixote's niece and her nurse (governess, housekeeper?, "ama") are told to pamper him, "to give him things to eat which are comforting and appropriate for the heart and the brain...
Others trace it back to 1966, when the Palm Beach Post used it in a story: "Adults, when under severe emotional stress, turn to what could be called 'comfort food'—food associated with the security of childhood, like mother's poached egg or famous chicken soup.
"[4] According to research by April White at JSTOR, it might have been Liza Minnelli who used the term for the first time in its modern meaning in an interview, admitting to craving a hamburger.
According to White, the COVID-19 pandemic that hit the world in 2020 further strengthened people's need for comfort food that evokes nostalgia and the feeling of belonging.
Those with negative emotions tend to eat unhealthy food in an effort to experience the instant gratification that comes with it, even if only short-lived.
[11] Comfort food consumption is seen as a response to emotional stress and, consequently, as a key contributor to the epidemic of obesity in the United States.
[12] The provocation of specific hormonal responses leading selectively to increases in abdominal fat is seen as a form of self-medication.
[13] Further studies suggest that consumption of comfort food is triggered in men by positive emotions, and by negative ones in women.
[16] A therapeutic use of these findings includes offering comfort foods or "happy hour" beverages to anorectic geriatric patients whose health and quality of life otherwise decreases with reduced oral intake.