- After Obamacare's 2014 Medicaid Expansion, states that expanded Medicaid gained significantly more access to preventative cardiovascular drugs (for cholesterol, hypertension, etc.). This will likely narrow health disparities by reducing rates of heart attacks, strokes, & death among the poorest. https://www.ahajournals.org/doi/abs/10.1161/circoutcomes.120.007492 218 comments science