Risk Of Early Onset Parkinson’s Disease 4.5-Fold Higher Among Individuals With Autism Than Those Without Autism 

The rate of Parkinson’s disease (PD) in individuals with autism was 4.5-fold higher than in those without autism after controlling for multiple individual and familial factors, a study found. The researchers said the findings suggested a biological link between autism and PD that warrants increased awareness of long-term neurological conditions in individuals with autism.

The data source was a nationwide population registry that includes all individuals born in Sweden. For this prospective cohort study, the researchers focused on people born from 1974 through 1999 and followed them through December 2022. The median age of the cohort . . .