Humorism

I think it would.

So this idea became particularly influential in traditions of medicine based on humoral theory, right? So the humors of the body.

Later writers continued to connect lunar movements with the body's fluids and with the brain.

Medieval scholars, such as Robert Grosseteste, which I will say looks like grotesque in writing, Grosseteste, for example, explicitly connected lunar movements with changes in the brain and used this as an explanation for why some people were, quote-unquote, called lunatics.