Medicaid ensures that people of all ages have access to the health care they need, covering 2 in 5 children, 1 in 6 non-elderly adults, and 1 in 7 seniors nationwide.

Patients in states that expanded Medicare were more likely to receive all guideline-concordant treatment, from 64.7% to 69.28% in expansion states versus 61.43% to 66.67% in states that did not expand ...