Early detection of cancer remains the single-best way to combat a disease that is the second-leading killer in the world. But many of the resources in the fight against cancer are devoted to relatively ineffective late-stage treatments. Bruce Ratner, known by many New Yorkers for his real estate projects, is entering the cancer battlefield, co-authoring a book that's calling for a new approach to combating the disease.

Ratner, who sits on the board of the Memorial Sloan-Kettering Cancer Center and Weill Cornell Medical College, is making a push for better cancer screening. He joined NY1's Errol Louis in front of a live audience at the Center for Brooklyn History to discuss his book, "Early Detection: Catching Cancer When It's Curable," and how the death of his brother from metastatic cancer brought him to write it. They also talked about the importance of early screenings and expanding access to cancer screenings in poor communities.

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