When adjusted for age, sex, total body fat and lifestyle factors such as exercise, diet and smoking, the study found people who preferred to stay up late had a 46% higher risk of type 2 diabetes than people in the intermediate group. Dr van der Velde suggested there could be “other mechanisms also at play” outside of lifestyle.

People who eat more ultra-processed foods (UPF) are at increased risk of developing type 2 diabetes, but this risk can be lowered by consuming less processed foods instead, finds a new study.