An interview with kidnapping victim Alicia Kozakiewicz, who now runs an organization dedicated to protecting teenagers. Also: Chris Christie's lap-band surgery and Brian Dennehy's experience with the same procedure.
Neuroscientist Adrian Raine ("The Anatomy of Violence") discusses genetic mutations that may be linked to violent and sociopathic behavior. Also: Alicia Keys talks about efforts to raise awareness of HIV and AIDS among American women.
Autism is discussed, including a look at the number of autistic children, available therapies and how parents can identify problems. Also: Supermodel Niki Taylor discusses her near-fatal car crash and health issues.
A teenage girl who had plastic surgery as a result of bullying is interviewed; Anderson Cooper talks about his special "The Bully Effect." Also: the legacy of former U.S. surgeon general C. Everett Koop.
Jake Tapper and Ali Velshi report on potential health implications of the impending congressional budget cuts. Also: Director David France and gay-rights activist Peter Staley discuss the 2012 documentary "How to Survive a Plague."
A look at a British approach to pain treatment; an update on the condition of Malala Yousafzai, a 15-year-old Pakistani girl who was shot by Taliban militants. Also: Alfred Molina and Ving Rhames discuss the medical drama "Monday Mornings."
Dr. Robert Lustig ("Fat Chance: Beating the Odds Against Sugar, Processed Food, Obesity, and Disease") is the guest. Also: omega-3 fish oil as a treatment for head injuries; tips for sticking to New Year's resolutions.
Examining the similarities and differences between Sandy Hook shooter Adam Lanza and other mass murderers. Included: remarks by Dr. Ronald Schouten (Harvard Medical School) and author Andrew Solomon ("Far From the Tree").
A look at the science of medical-marijuana use. Also: Deepak Chopra discusses his book "Super Brain: Unleashing the Explosive Power of Your Mind to Maximize Health, Happiness, and Spiritual Well-Being."
Health-insurance plans are examined, with a focus on changes due to the Affordable Care Act. Also: Chef Tom Colicchio discusses where different members of Congress stand on food-related issues such as nutrition, food safety and farm policy.