Neuroscientist James Fallon shares startling brain scans that take us into a killer’s brain! Are these killers anatomically wired for murder? Then, can bike rides lead to bedroom problems? Or can sexy briefs increase infection? 'Penis Book' author, Dr. Aaron Spitz reveals male health hazards. And, after divorce, one “empty nester” gets a diva makeover you won’t believe! Could ear bling battle the bulge? The jewelry that could lead to weight loss! Plus, apples for awesome sex? And the drink that’s destroying your skin? Could you be gulping your way to extra wrinkles?