Your friend helen just started working the night shift at the post office. this change in her work hours

The change in Helen's work hours (night shift) may cause Helen to be at increased risk for heart disease. The effects of shift work can manifest in various forms of illness, one is problems in the cardiovascular system. The reason is because the cardiovascular system in all mammals is highly organised with regard to time and when the time is different organized (the time we should sleep we work) that can lead to certain conditions.

answer; win because bill had a legal right to drink alcohol;