A federal appeals court upheld the FDA's approval of the key ingredient in Impossible Foods' fake meat products, GMO soy leghemoglobin. The decision allows Impossible Burgers to hit grocery stores and schools and ensures the potentially hazardous ingredient can remain on the market.

In anticipation of biological warfare, military personnel were given the anthrax vaccine during the 1990s Gulf War. After their service, Gulf War veterans suffered a wide range of debilitating symptoms that became known as the Gulf War illness or "Gulf War Syndrome."