The magnitude of the effect was modest but consistent; at the most exposed facade, for every 11.5dB rise in noise level, the risk of Parkinson’s disease rose by 3% over the study period.
The study, published in Jama Neurology, included 3.1 million Danish participants aged 40 and over, and followed them for 18 years. It was established using nationwide health register data, making it the largest study on road traffic noise and Parkinson’s disease.
Engelsk artikel men baseret i dansk forskning.