A bad marriage is as unhealthy as smoking or drinking, say scientists - the guardian

A bad marriage, with frequent conflicts, could be as detrimental to your health as smoking cigarettes or drinking alcohol, according to psychologists. ....
https://www.theguardian.com/lifeandstyle/2018/jul/16/a-bad-marriage-is-as-unhealthy-as-smoking-or-drinking-say-scientists