Study: Night Shift Workers Have Higher Risk of Breast Cancer
A study done in Denmark and published in Occupational and Environmental Health looked at the health records of 18,500 women between 1964 and 1999. It found that women who worked overnight hours several times a week for more than six years doubled their risk of breast cancer.
One reason could be that people are not getting enough sunlight and many experts say a lack of melatonin can negatively affect your immune system.
Working odd hours may also disrupt your circadian rhythm. Essentially the internal clock for various organs can get offline which may impact your health.
One doctor recommended trying to get outside and enjoy the sun even if you work night hours. In other words, don't sleep the day away.