Why young onset parkinsonism is common in Canada

This is just a hypothesis,yet to prove by clinical studies

The incidence of parkinsonism is much more common In canada when compared to countries like India.What may be the possible cause,
Canada is a cold country.Most people are shut down in rooms with poor ventilation
Many of them live in basements.Rebreathing of air in poorly ventilated rooms result in carbondioxide retension and possibly carbon monoxide formation.Carbonmonoxide poisoning is a wellknown cause for development of parkinsonism.There are several reports of overnight development of parkinsonism resulting fron acute carbonmonoxide poisoning.eg.attempted suicide .so living in poorly ventilated room may be probably resulting in development of basal bganglia toxicity resulting in toxicity.doctors and scientists are welcome to give your openion.