7725 Korean adults were followed for 1 year in a study aiming at identifying the implications of eating alone on health.
Men who ate alone (without a spouse) ≥2 times/day had significantly increased abdominal obesity and metabolic syndrome (a combination of hypertension, high blood sugar, cholesterol, etc.). This result was not found in women who ate alone. The reasons behind this result are still unknown, why don't you comment below and tell us what you think could be the cause? you
Reference:
Kwon AR, Yoon YS, Min KP, Lee YK, Jeon JH. Eating alone and metabolic syndrome: A population-based Korean National Health and Nutrition Examination Survey 2013-2014. Obes Res Clin Pract. 2017 Oct 20