Overall rises in white mortality is limited almost exclusively to those who are not married. The decline of marriage is cited as a key factor in "despair" effecting white communities. osf.io/preprints/socarxiv/8374m
Women who receive a promotion at work are twice as likely to divorce their husband in the next three years as women who did not receive a promotion. Men who receive a promotion on the other hand are slightly less likely to get a divorce... ifn.se/wfiles/wp/wp1146.pdf
Sex is not only better when you are married, but studies find that the people who have the most frequent, and highest quality sex, are married, religious, and have had the fewest number of previous sexual partners. The more religious the couple was the better their sex life was.
Marital status has also been consistently associated with better mental health. Compared with their married counterparts, single 1 2 S. R. Braithwaite, R. Delevi, and F. D. Fincham men and women have higher levels of depression, anxiety, mood disorders, adjustment problems, and other forms of psychological distress (Coombs, 1991; Cotten, 1999; Simon, 2002). Marital status has also been shown to be an important predictor of alcoholism and drinking problems (Hradilova, 2005), with unmarried people experiencing a higher rate of alcohol-related problems (Woodruff, Guze, & Clayton, 1972). In short, across a number of different indices, there is strong and consistent empirical evidence that married people experience better physical and psychological well-being than their unmarried counterparts.” researchgate.net/publication/227718658_Romantic_relationships_and_the_physical_and_mental_health_of_college_students
A study that investigated whether two early nutritional interventions might influence long-term outcomes like intelligence in a sub-Saharan African population found that they "did not have a large effect on development outcomes."
