Toxic masculinity: Men with higher levels of testosterone were more likely to be unfaithful. https://www.sciencedirect.com/science/article/pii/S0301051118307002 …pic.twitter.com/OeBPlgPN4u
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That'd be the way to interrogate causality. I wouldn't be surprised if it has been done in baboons or similar
Trans men report that it does. But we're talking very large amounts here. Doubt that a testosterone patch does much unless your levels are abnormally low.
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