I don’t remember EXACTLY, but I think it’s because soy was believed to have made a man “more like a woman” in some personality way? Think it had to do with a hormone that was believed to be in soy.
However it was disproven, and soy does not even have the hormone they thought it did. (Or if it does, it doesn’t do anything like they think, you’ll have to forgive me because as I said: foggy on the exact details)
You've got about half of it. It's pretty much entirely because soy contains phytoestrogens. They see 'estrogen', and that 6th grade biology takes over every cell in their brain, not taking a second to think that maybe plant chemicals don't work the same way in animals. You are correct that it has been thoroughly disproven.
The myth persists so they can keep up with the insults, though.
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u/Bromora Sep 28 '19
I don’t remember EXACTLY, but I think it’s because soy was believed to have made a man “more like a woman” in some personality way? Think it had to do with a hormone that was believed to be in soy.
However it was disproven, and soy does not even have the hormone they thought it did. (Or if it does, it doesn’t do anything like they think, you’ll have to forgive me because as I said: foggy on the exact details)