Recent research has revealed a geographic distribution of Parkinson’s disease within the Netherlands, with notable variations between provinces. Parkinson’s disease is a progressive neurological disorder that affects movement and thinking, caused by the breakdown of nerve cells that produce dopamine.
The shape of the dark spot is unmistakable: Wageningen.
The study, conducted by researchers at the University of Utrecht and Radboudumc in Nijmegen, shows that the disease is more prevalent in the northern provinces of Groningen and Friesland, and less common in Zeeland and Limburg. This recent “Parkinson map” of the Netherlands is based on a combination of mortality records, health insurance claims, and hospital and medication data, offering the most comprehensive picture of the disease’s prevalence to date. The findings could help identify potential environmental factors contributing to the development of Parkinson’s disease.
Interestingly, the map highlights a single location with the highest concentration of Parkinson’s cases: Wageningen. This unexpected finding has prompted questions about potential local factors influencing the disease’s occurrence. Researchers have been unable to explain the elevated rate in Wageningen, noting that the long incubation period of the disease means cases observed there may have originated elsewhere.
The study did not find a clear link between Parkinson’s disease and agricultural pesticides, air pollution, or heavy metals. However, researchers pointed to other potential factors, including socioeconomic status, gender, and age. The research suggests that individuals with higher levels of education and wealth may be at increased risk. Men are also nearly twice as likely to be diagnosed with Parkinson’s disease as women. As expected, the risk of developing the disease increases with age.
Researchers also considered whether Wageningen’s university might attract students and staff from high-risk areas, or if a lack of dopamine within the local population could be a contributing factor. These are speculative ideas, however, as the underlying cause remains unknown.
Sjoukje Osinga (58) is a university lecturer in Information Technology. She sings alto in the Wageningen chamber choir Musica Vocale, has three student sons, and enjoys birdwatching with her husband in the Binnenveldse Hooilanden.
