Medical research has found frequent night shift work can have many negative effects on health. Now, increased risk of type 2 diabetes has also been connected to working at night. Healthcare workers, security guards and other frequent night shift workers are significantly more likely to have Type 2 diabetes than workers who work only days, according to a new study of more than 270,000 people. The study found that the more nights employees work, the greater their odds of having type 2, whether they are genetically predisposed to diabetes or not. Read more