Heavy metals (like arsenic, cadmium, lead, and mercury) are naturally occurring in the earth’s crust. They can get into the food supply through water and soil. Human causes like mining, fracking, industrial agriculture, and the use of wastewater for irrigation can make the situation worse. This is especially troublesome given the risks these known toxins have on public health. Join us as we explore this pervasive food safety issue that is gaining attention in consumer advocacy, retail, and regulatory circles.