http://media.soundmedicine.org/segments/092709_full.mp3
This week, Sound Medicine topics include: Dr. Malaz Boustani on common drugs that can cause cognitive impairment in older adults; Alison Gopnik, PhD, on her book "The Philosophical Baby," which looks at how babies perceive the world; and Dr. Aaron Carroll provides an update on health-care reform legislation. Also, Dr. Joe O'Neil on the Indiana law prohibiting teens from cellphoning while driving.