Anxiety Doubles Parkinson’s Risk

People over age 50 with anxiety have twice the risk of developing Parkinson’s disease, with a hazard ratio of 2.1, according to an analysis of data from the United Kingdom collected from 2008 to 2018. Of the 109,435 individuals with anxiety included in the study, 331 (0.3%) developed Parkinson’s disease during the follow-up period, with an average of 4.9 years from the time they were diagnosed with anxiety to the time they developed Parkinson’s disease.

The incidence of developing Parkinson's disease was 1.02 per 1,000 person-years for those . . .