Parents of twins with Niemann-Pick find a treatment

Hugh and Chris Hempel have battled long and hard for treatment for their twin daughters’ rare genetic condition.

Reno Twins With Rare Disease Involved in Huge Lawsuit - O'Mara Law

Families plead with FDA for drug to treat Niemann-Pick Disease Type C

Meet Parker and Woodrow, two AZ children with a rare disease

Hempel twins with Niemann Pick find a treatment CNN part 3

Families plead with FDA for drug to treat Niemann-Pick Disease Type C

Addi and Cassi Hempel, Patients at the Forefront of an

Rare Disease Day: The family who lost three children

Childhood dementia: 'Dem diagnose my three children wit terminal

Parents of twins with Niemann Pick find a treatment CNN 1