But corpses pose no real threat to public health. The pathogens that decompose bodies aren’t dangerous, nor is the smell of advanced decay. While corpses aren’t dangerous, there’s mounting proof embalming fluid is. The main chemical in embalming fluid is formaldehyde, which is incredibly toxic. Since the ’80s, studies have shown morticians are at greater risk for several types of cancer because of their exposure to embalming fluid. Once bodies decompose, the embalming fluid seeps into the dirt, potentially contaminating the ground.
