The War on Cholesterol: Perspectives from Both Sides.

Dr. Thomas J. Moore is Senior Fellow at George Washington's Center for Health Policy Research and author of the new book, Deadly Medicine: Why Tens of Thousands of Heart Patients died in America's Worst Drug Disaster. He tells the story of a certain line of drugs that prevented irregular heartbeats but were consequently shown to be dangerous and even fatal. Yet the drug remained on the market due in large part to the giant pharmaceuticals power over the FDA.

Dr. Haider Warraich talks about advancements in treating and preventing heart failure, and explains how the understanding of healthy blood pressure and good cholesterol continues to evolve.

Ed Yong, author of I Contain Multitudes, says someday we might be able to improve our health by taking probiotics, but "we are still in the very early stages of working out how to do this."