2014 — A relationship between exposure to glyphosate and B cell lymphoma was found in 2014 after researchers studied 44 different scientific publications. The publications covered 32 years’ worth of data on non-Hodgkin’s lymphoma and pesticide exposure.
Reference: Moncivais, Katy. “Roundup Cancer Lawsuit: 2020 Updates & Settlements.” Consumer Safety, 8 Jan. 2021, https://www.consumersafety.org/product-lawsuits/roundup/