A woman with six feet of excess skin; a man tormented by large keloids; a child born with an extra set of limbs; rapper Siya reveals her new smile; a mother covered in tiny tumors; Rosie Mercado; saving baby teeth; new medical guidelines.

Blink 182 drummer Travis Barker; Instagram celebrity Doug the Pug; packaged meat; a rehab clinic treats addicts with marijuana; growing one's own medicine; the real cost of children.

Strep throat takes a man's hands and feet; reality star Courtney Stodden asks for help with depression, drugs and family issues; a doctor fights to save his brother's life; a former guest addicted to eating clay pots returns; dentistry.