I don't think mortality is such a big factor under 65-70yo. I wonder if the study adjust for age. I.e. the fittest young cohort should also be married to a les

I don't think mortality is such a big factor under 65-70yo. I wonder if the study adjust for age. I.e. the fittest young cohort should also be married to a lesser degree. Obesity is correlated with amount of xmas dinners eaten.