Toxic chemicals found in deer and fish are prompting health advisories in several parts of the country, especially warning hunters to avoid eating wild game.

Wildlife agencies have found high levels of PFAS – or per- and polyfluoroalkyl substances – that are often tabbed “forever chemicals” within deer in states including Michigan and Maine, where hunting buck this time of year is a regularity.  

PFAS are industrial compounds used in numerous products, such as nonstick cookware and clothing, and can negatively impact the environment. 

The U.S. Environmental Protection Agency launched an effort last year to limit pollution from those chemicals because they’re linked to health problems such as cancer and low birth weight. In June, the EPA released new health advisories around PFAS in drinking water, too – and now over 20 states have proposed or adopted limits.

But discovery of the chemicals in wild animals hunted for sport and food represents a new challenge that some states have started to confront by issuing “do not eat” advisories for deer and fish and expanding testing for PFAS.

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“The fact there is an additional threat to the wildlife – the game that people are going out to hunt and fish – is a threat to those industries, and how people think about hunting and fishing,” said Jennifer Hill, associate director of the Great Lakes Regional Center for the National Wildlife Federation.

David Trahan, executive director of the Sportsman’s Alliance of Maine, a hunting and outdoors advocacy group, said the discovery of chemicals in animals could hinder outdoor tourism.