Association for Molecular Pathology Nov 17 2025 Scientists at Brigham and Women's Hospital and Harvard Medical School have developed a targeted genetic test to improve diagnosis for X-linked dystonia-parkinsonism (XDP), a rare and disabling movement disorder that affects primarily men of Filipino ancestry. The work will be presented at the Association for Molecular Pathology (AMP) 2025 Annual Meeting & Expo, taking place Nov. 11–15 in Boston. XDP causes symptoms like those of Parkinson's