There is a growing body of scientific evidence linking men’s exposure to environmental toxins, such as cigarette smoke or herbicides, to reproductive health problems, and the health of their children. But society and the scientific world alike have been hesitant to accept the evidence, argues Cynthia Daniels in her book, “Exposing Men: The Science and Politics of Male Reproduction.” Daniels is an associate professor of Political Science at Rutgers University and speaks with host Steve Curwood.