newsoholic Time to become News Oholic!
Human brains were made of sperm:
Historically, misconceptions about the brain led to bizarre theories. Roman physician Galen claimed the brain was made of sperm, a notion that influenced medieval ideas about reproduction, including the belief that men produced sperm in their heads and women produced a form of "milk."
Bizarre Things People Used To Believe About Medicine
Human brains were made of sperm:
Historically, misconceptions about the brain led to bizarre theories. Roman physician Galen claimed the brain was made of sperm, a notion that influenced medieval ideas about reproduction, including the belief that men produced sperm in their heads and women produced a form of "milk."