Imagine you're a nurse trying to stay healthy. You know diet and exercise matter, but what about the stress of the job itself? A study tracking 910 nurses in China from 2018 to 2022 tried to map out how their metabolic health—conditions like high blood pressure or diabetes—changed over time. They found three main paths: some stayed consistently healthy, some were chronically unhealthy, and some saw their health decline.
For the nurses who were chronically unhealthy, the study linked their path to a lack of preference for vegetables and a lack of exercise. This fits with what we might expect. But the more surprising finding was for nurses who started out in good health. For them, an increase in metabolic diseases wasn't tied to unhealthy lifestyle habits. Instead, it was correlated with their mental health and their night shift patterns.
Specifically, lower depression scores and higher anxiety scores, along with certain night shift schedules, were associated with a slow increase in metabolic problems. It's important to remember this was an observational study. It shows these factors are connected, but it can't prove that night shifts or anxiety directly cause the diseases. The study also didn't report specific numbers on how strong these links were, and the findings are specific to this group of nurses in China. Still, it paints a picture where the mental toll and irregular hours of nursing might weigh as heavily on the body as traditional lifestyle factors, at least for some.