As black people die from COVID-19 at disproportionate rates, the disease is highlighting health disparities we’ve long known about. Kai Wright, the host of WNYC’s “The United States of Anxiety,” speaks with Arline Geronimus, a public-health researcher, about what happens to black people’s bodies—on a cellular level—while living in a racist society. Plus, we hear from one essential worker in New York who’s doing his best to weather the pandemic.