they have a steroidal chemical structure. just like some other alkaloids someone mentioned above.

so yes they can do that like so phytoestrogens do.

work out guys.

and THC has many medicinal properties but counteract act the estrogen mimickers by good health and diet.

it's that simple

and no man boobs.

but study some pharmacology and nutritional sciences before becoming the national enquirer of hard sciences.

or dont' partake at all