Here are a couple of related links I came across in my wanders
http://jn.nutrition.org/cgi/content/full/131/12/3288
"These results suggest that diets high in mushrooms may modulate the aromatase activity and function in chemoprevention in postmenopausal women by reducing the in situ production of estrogen."
http://cancerres.aacrjournals.org/cg...ct/66/24/12026
And guess what is reported as active ingredients - its back to those fats which is a whole vast subject on its own and things are always more complicated but none no matter what the eventual answer this emphasises the potential importance of link between fat intake and hormones.
The full text is a subscription item so I cannot comment further.
RB