Nonetheless, it says untreated diabetes affects many major organs, including your heart, blood vessels, nerves, eyes and kidneys.
The NHS notes there are no lifestyle changes you can make to lower your risk of type 1 diabetes, but you can help manage type 2 diabetes through healthy eating, regular exercise and achieving a healthy body weight.
The health body says that many more people have blood sugar levels above the normal range, but not high enough to be diagnosed as having diabetes.
The health body continues: “This is sometimes known as pre-diabetes. If your blood sugar level is above the normal range, your risk of developing full-blown diabetes is increased.”