On the occasion of World Parkinson's Day, Europe 1 returns to this neurodegenerative disease that affects 270,000 French people. 25,000 new people are affected by Parkinson's disease each year.

In rich, industrialized countries, significant exposure to several pollutants increases the risk of developing the disease at a young age. 10 to 15% of Parkinson's cases, especially in young people, are explained by a genetic predisposition, says Marie Fuzzati, scientific director of the Parkinson's France Association.