Human behaviour are genetically controlled.
...sult of they tended to eat high-fat diets. Today we are more inactive and achieve to food simply than the past, but we still eat these types of foods since our brain evolved to prefer them. Another aspect of human behaviour that evolutionary psychologists attribute to genes is attraction to the opposite sex. Dr. David Buss of the University of Texas, who found universal rules which make a man or woman attractive to the opposite sex, said that “men place a greater emphasis on the physical appearance of the partner because this provides clues to reproductive fitness” and “women desire men with economic resources… ambition, industriousness” (BBC English January 1997, p.30) are caused by reproductive reason. Furthermore, violent behaviors are one of aspects that are controlled by genes. Martin Daly of McMaster University in Ontario, Canada, believes th...