Public health expert, activist in the movement for Black lives, and friend of the show Dr. Lawrence Brown joins hosts Roberto Alejandro and Michael A. Wood Jr. to discuss the impact of lead poisoning on urban environments and its link to violence.For those wanting more information on the link between violent crime and lead poisoning, a few links:http://cen.acs.org/articles/92/i5/Crimes-Lead.htmlhttp://www.bbc.com/news/magazine-27067615http://www.motherjones.com/environment/2016/02/lead-exposure-gasoline-crime-increase-children-healthhttp://www.motherjones.com/kevin-drum/2013/01/lead-and-crime-linkfesthttp://scholar.harvard.edu/files/jfeigenbaum/files/feigenbaum_muller_lead_crime.pdf