The night shifts
The International Agency for Research on Cancer classified nighttime work as a probable carcinogen in 2007. Scientists think working at night, and working long hours into the darkness, can both mess with the body’s natural, circadian sleep and wake cycles.
Alcohol
Regular heavy alcohol consumption can up your risk of developing several kinds of cancer, including throat, liver, breast and colon cancer. According to the National Cancer Institute, “the risk of developing cancer increases with the amount of alcohol a person is drinking.”
