【正确答案】It is known to all that too much job stress may trigger heart problems in people who already have cardiovascular disease. Now recent studies have shown that even in healthy people the pressures of work can take their toll. Work stress involves too much work as well as a lack of satisfaction and feeling undervalued and unappreciated. Many people work long hours, but if the effort is rewarding the stress is minimized. However, job pressure is damaging when being overworked is combined with little or no control, unfair supervision and few career opportunities.