Scientists are testing new drug molecules to develop treatments for Parkinson’s disease. blue sky in my pocket/Getty ImagesResearchers have found that a novel drug molecule may fight the development of early-onset Parkinson’s disease in younger people.The new compound, BIO-2007817, is from the family of tetrahydropyrazolo-pyrazine (THPP) compounds.It offered promising results in activating parkin, a key...