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last mo.

Former MSU Grad Student Sues University for $100 Million Over Alleged Pesticide Exposure

MSU says it provides required training with protective gear in compliance with policies and laws.

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Berkey Hall on the campus of Michigan State University.
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Overview

  • LingLong Wei filed her complaint in Ingham County Circuit Court after a Monday press conference in Lansing.
  • The suit claims her horticulture fieldwork from 2008 to 2011 required spraying paraquat, glyphosate and oxyfluorfen for hours without proper training or protective equipment.
  • Wei alleges campus clinicians attributed her 2010 breathing problems to anxiety and that supervisors told her the exposures were harmless.
  • She was diagnosed with papillary thyroid carcinoma in 2024, underwent thyroid removal and says she now needs daily medication for life.
  • Her lawyers say experts are ready to testify, and coverage cites 2022 research reporting an association between agricultural pesticide exposure and higher thyroid cancer risk.