Worker's Accident Doesn't Proximately Cause or Aggravate Preexisting Conditions

The Washington Court of Appeals upheld a determination that a worker’s industrial accident proximately caused only a concussion and a cervical sprain/strain, but it didn't cause or aggravate his preexisting conditions. Case: Calderon v. Department of Labor & Industries, No.  41216-4-III, 07/23/2026, unpublished. Facts: In October 2018, while working at a potato processing plant, Hernan Calderon slipped on a wet floor and fell backward, hitting a metal pole. Calderon went to the emergency room, where a neurological examination returned normal results. Computed tomography s...