As G. K. Chesterton said,
> Marriage is a duel to the death, which no man of honour should decline.
https://www.gutenberg.org/cache/epub/1718/pg1718-images.html...
As G. K. Chesterton said,
> Marriage is a duel to the death, which no man of honour should decline.
https://www.gutenberg.org/cache/epub/1718/pg1718-images.html...
One study that summarizes previous studies is below, but there are literally hundreds of others.
The Effects of Marriage on Health: A Synthesis of Recent Research Evidence. Research Brief (https://aspe.hhs.gov/reports/effects-marriage-health-synthes... Note: an official US government web site.)
"Married people are generally healthier than unmarried people, as measured by numerous health outcomes.(1) To investigate the complex relationship between marriage and health, this review scrutinizes recent research, focusing on studies that use rigorous statistical methods to examine whether marriage is a cause of these better health outcomes."