January 16, 2014

Marianna Palka, who left Scotland to pursue a career in filmmaking in the United States, knew she had a “50-50″ chance of getting Huntington’s disease, a rare, but devastating genetic disease that has been described as Parkinson’s, Alzheimer’s and ALS, all rolled into one. It began to destroy her father his late 30s, so Palka, now 32 and symptom-free, decides to find out if she, too, has the genetic mutation that will rob eventually her of her mobility and her mind. (ABC News)