Nation Biologics to treat arthritis have flooded the market. They’re also linked to 34,000 deaths May 30, 2019 John Fauber and Kevin Crowe, Milwaukee Journal Sentinel Comments Off on Biologics to treat arthritis have flooded the market. They’re also linked to 34,000 deaths As biologic drugs have flooded the market to treat arthritis, psoriasis and other autoimmune disorders, deaths due to complications have grown.