b'Orthopedic surgeon Orthopedic surgeon Michael Fitzgerald, MD Michael Fitzgerald, MD, tells how smoking impacts bone health. Psychiatrist Diane St. Fleur, MD, explains how community displacement affects mental health. Bioethicists, tells how smoking impacts bone health. Psychiatrist Diane St. Fleur, MD, explains how community displacement affects mental health. Bioethicists Thomas Curran, MD Thomas Curran, MD, and, and Robert Olick, JD, PhD Robert Olick, JD, PhD, discuss how to solve family disagreements over end-of-life issues., discuss how to solve family disagreements over end-of-life issues.'