intelligence, status, personality, etc., see below), no scientific studies or evidence support any such linkage. As with many phenotypical expressions (e.g. 'widow's peak', eye color, earwax type) it is found in many geographically diverse populations.
intelligence, social standing, character, etc., see below), no scientific studies or evidence support any such connection. As with many physical characteristics (e.g. 'widow's peak', eye color, earwax type) it is found in many geographically diverse populations.