A woman weighing more than 1,100 pounds plans to have weight-loss surgery; a former high-school wrestler says he contracted herpes during a match; whether cell phones should be allowed on airplanes; whether an illness is a cold or something worse.

A young woman who struggled with an eating disorder and cocaine addiction returns to the show; the fitness model who relied on an artificial heart in a backpack; a simple tip to boost mood that doesn't cost a penny.

Two-time NBA champion and reality star Lamar Odom confronts his addictions; his conversation with Dr. Travis before entering treatment; his final hours in rehab; he joins the doctors in studio; the bombshell announcement nobody saw coming.