Huntington's disease (HD) has long been impossible to cure, but new research is finally giving fresh hope. HD is a progressive, hereditary brain disease that affects movement, cognition, and emotions. Doctors often diagnose HD when people show clear movement problems, typically around 30-50 years of age, after which patients live about 15-20 years . The global prevalence of HD is about five per 100,000 people. While it is not as prevalent as Alzheimer's disease, the disease starts much earlier