Researchers descend on cancer cluster community to find cause of deadly disease
Key Points:
- Environmental testing began in Ladera Ranch, Orange County, after six cases of the rare cancer Ewing sarcoma raised health concerns among residents.
- Cal State Fullerton researchers collected samples from local parks to investigate potential environmental causes, with results expected by the end of the week.
- Residents have demanded a halt to pesticide spraying by the homeowners association amid fears, although no direct link between pesticides and the cancer has been established.
- A 2024 county review found no unusual cancer patterns but acknowledged limited data and called for more focused assessments.
- Ewing sarcoma is rare, affecting mainly children and teens, but the Ladera Ranch area has seen an unusually high number of cases and deaths, prompting involvement from USC researchers as well.