The extent of filter breakdown you'd need to cause hormonal poisoning would cause other effects, like heavy metal toxicity and pernicious anemia.
Paxillus involutus also decreases the uptake of certain toxic elements, acting as a buffer against heavy metal toxicity in the host plant.
I feel that most of the causes will fall into the areas we just discussed in this book: metal toxicity, allergy, and nutritional deficiency.
Hair analysis - a sample is analysed for trace element deficiencies or heavy metal toxicity.
Area may contain residual heavy metal toxicity.
But no money has yet been appropriated for treatment of heavy metal toxicity.
Just from ordinary metal toxicity.
Both of these findings helped establish that metal toxicity and availability is directly related to the free ion activity of the metal.