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.