The chances of developing diabetes at the age of 42 should be analyzed from a combination of factors such as heredity and acquired lifestyle habits, and cannot be generalized, so it is recommended to consult a doctor. 1.The chances of developing diabetes at the age of 42 should be analyzed from a combination of factors such as heredity and acquired lifestyle and eating habits, and should not be judged solely on the basis of age. As you get older, the risk of developing diabetes may also increase. In order to prevent the occurrence of diabetes, you should develop good living habits, actively control your weight, eat a low-salt, low-fat diet, eat more fresh fruits and vegetables, and increase the proportion of dietary fiber in food. 2. Try to quit smoking and limit alcohol, develop the habit of going to bed early and getting up early, stay up late, maintain an optimistic mindset, learn to regulate emotions, avoid giving yourself too much pressure, and keep up your daily exercise. People aged 42 can prevent diabetes by practicing good dietary habits. If you find blood sugar abnormalities should immediately go to the doctor, for relevant examination, as soon as possible to make blood sugar control stable.