Chemicals known as PFOA and PFOS that can be found in sewage sludge used as fertilizer may pose a risk to human health, the U.S. Environmental Protection Agency says.

Farm families that consume milk, eggs and beef they raise themselves face an increased risk of cancer if their fields were fertilized with PFAS-laced sewage sludge, the EPA reported this week. The results do not suggest that the broader food supply is contaminated.

Environmental advocates are calling for a ban the use of sewage sludge as fertilizer. An EPA draft report found that there may be health risks associated with exposure to PFAS "forever chemicals" in the sludge,

Chemicals in sewage sludge that is spread on pasture land as fertilizer are causing cancer, according to the Environmental Protection Agency. Who is most at risk? Why you should c