Adults with less education have lower life expectancy, increased risk for chronic conditions, and lower self-reported health status than their more-educated counterparts. A study from the Urban Institute assesses trends in self-reported measures of general health, mental health, activity limitations, and obesity by educational attainment from 1997-2017, using data from the National Health Interview Survey.
The report can be obtained at https://www.urban.org/sites/default/files/publication/100256/education_and_health_long_term_trends_0.pdf.