Summary:

- This article examines the impact of Medicaid expansion under the Affordable Care Act (ACA) on health insurance coverage and access to care for low-income adults.

- The study found that Medicaid expansion led to significant increases in insurance coverage and improvements in access to care, including increases in the likelihood of having a personal doctor and receiving preventive care services.

- The findings suggest that Medicaid expansion has been an effective policy for increasing health insurance coverage and improving access to healthcare for low-income populations, which can have important implications for public health and healthcare outcomes.