There are endless studies showing this and also the financial and societal benefits of universal basic income and or housing-first policies but the U.S. never goes for any of it because it would require allowing the poor to receive benefits that the rich consider “undeserved”
“A single-payer universal health care system could cover every American, save more than 100,000 lives a year, and still cost $1 trillion less than the system it would replace, according to a new preprint study led by researchers at the Yale School of Public Health.” ysph.yale.edu/news-article...