Urbanization and greenness were not linked to ALS risk in a Canadian study
Original source
Associations between level of urbanization and greenness and the development of amyotrophic lateral sclerosis: A matched case-control study. (opens in a new tab)Compass summarised this from the study's abstract.
Study details
- Studied in
- Human
Population inferred from the title and abstract by Compass.
A matched case-control study in New Brunswick, Canada, found no statistically significant association between ALS and long-term exposure to different urban settings or greenness near people’s homes. The researchers say urban influence, vegetation type, industry practices and traffic-related pollutants need further study.
Why this matters
These findings do not show that where someone lives causes or prevents ALS, and they do not change treatment. They may help guide future research into environmental factors that could be associated with ALS development.
Limitations and context
This was an observational matched case-control study, so it can identify associations but cannot establish cause and effect. It was conducted in New Brunswick, Canada, and the source does not provide the study size or details about how representative the participants were. The reported associations were not statistically significant, and further research is needed.