Mealey's (September 23, 2020, 2:08 PM EDT) -- ST. LOUIS — A workers' compensation commission imposed too strict a causation standard when it accepted an expert's medical causation opinion based solely on the lack of studies linking mesothelioma and work as a hair dresser, and the record does not support the commission's conclusion that occupational exposure was not a prevailing factor in the disease, a Missouri appeals court said Sept. 22 (Joan Moore Hayden v. Cut-Zaven LTD, et al., No. ED108695, Mo. App., Eastern Dist.)....