Start-up bosses seen to make tough calls under stress; researchers see hormone link
                                
                                
                                    (Newser) -
                                    A study that links entrepreneurial success to risky decision-making, a trait less prevalent among buttoned-up business managers, has scientists pondering whether a pill could boost enterprising behavior. Riskiness is associated with the hormone dopamine, which could inject chutzpah into hesitant managers, the Telegraph reports. Critics doubt chemicals are solely responsible,...