David Dershaw

Politics

Mammograms around the world

Most women should start regular breast cancer screening at age 50, not 40, according to new U.S. guidelines. International guidelines also start at age 50. Jeb Sharp talks with David Dershaw at Memorial Sloan-Kettering Cancer Center. From PRI's The World.

Politics

Mammograms around the world

Most women should start regular breast cancer screening at age 50, not 40, according to new U.S. guidelines. International guidelines also start at age 50. Jeb Sharp talks with David Dershaw at Memorial Sloan-Kettering Cancer Center. From PRI's The World.