social behavior, anxiety, COVID-19, pandemic, psychological impact, depression, mental health, comfort food, neurophysiological mechanism, intrinsic reward mechanism, hyperpalatable food, obesity, inflammation, visceral weight gain, cardiovascular, adipose tissue, complications, calories, nutrient density, hunger, insulin resistance, cancer, body mass index (BMI), intensive care unit, SARS-Cov-2. This evidence concerns the gene INS and obesity disorder.