Dr. Eduardo Ibarra checks the blood pressure of Carmen Garcia Lavoy in the Toa Baja area of Puerto Rico. He's been making house calls in the area with nurse Erika Rodriguez.
Yudelmy Cataneda (from left), Javier Suarez and Claudia Suarez talk about health insurance with Yosmay Valdivian (right), an insurance agent from Sunshine Life and Health Advisors, at the Mall of Americas in Miami in 2014.
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Harvard professor David Williams says, "Much of this discrimination that occurs in the health care context, and in other contexts of society, may not even be intentional."
Sarah Sholes/Courtesy of Harvard Chan