Cal State Fullerton Starts Sampling 3 Ladera Ranch Parks After 6 Ewing Sarcoma Cases
Updated
Updated · Fox News · Sep 16
Cal State Fullerton Starts Sampling 3 Ladera Ranch Parks After 6 Ewing Sarcoma Cases
3 articles · Updated · Fox News · Sep 16
Summary
Sept. 14 marked the start of Cal State Fullerton’s soil and water sampling in Ladera Ranch parks, part of an environmental probe tied to at least six pediatric Ewing sarcoma diagnoses.
Researchers are testing for heavy metals including arsenic and lead, as well as pesticides, with results expected by year-end; the team said any findings would not by themselves prove a cancer cause.
State health officials are separately reviewing whether cancer rates in Ladera Ranch are higher than expected, after a 2024 county-level analysis found no unusual pattern but relied on limited data.
Residents’ concerns intensified after 17-year-old Brody Matteson died in March 2026 from treatment complications, prompting community meetings and pressure on the homeowners association to curb landscape chemical use.
Doctors say Ewing sarcoma is exceptionally rare and has no confirmed genetic or environmental cause, even as families press for answers about possible local exposures.
With six rare childhood cancers reported, what hidden environmental dangers might lurk in the soil and water of this seemingly idyllic California community?
If science points to random DNA changes, why are multiple agencies now scrambling to test Ladera Ranch's parks for toxic exposures?