Growing rates of incarceration in the USA since the mid-1970s may be linked with a rise in drug-related mortality, and may exacerbate the harmful health effects of economic hardship, according to an observational study involving 2,640 US counties between 1983 and 2014, published in The Lancet Public Health journal.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/incarceration-and-economic-hardship-strongly-associated-with-drug-related-deaths-in-the-us