Scientists identify protein that contributes to symptoms of Parkinson's disease

Scientists have identified a protein that exacerbates symptoms of Parkinson's disease -- a discovery that could one day lead to new treatments for people who suffer from this devastating neurodegenerative illness.

Cystic Fibrosis Drug Wins Approval

Food and Drug Administration approves first drug that treats Cystic Fibrosis by addressing the underlying cause of the disease.