Rates of violent death are influenced by substance abuse, which peaks during early adulthood.
I hope this source can provide as much information as it did for me, it really goes into detail how alcohol stimulates anger within a person. https://www.verywellmind.com/alcohol-facilitates-aggression-62647
Although vision is their least developed sense, newborns already show a preference for faces.
Nurture
Newborns typically cannot see further than 8 to 16 inches away from their faces, have difficulty keeping a moving object within their gaze, and can detect contrast more than color differences
I hope this is considered "nature"
or involuntary movements in response to stimulation
La de da