Type 2 diabetes is the most common form of diabetes. It happens when the body becomes less responsive to insulin and may not make enough insulin to keep blood sugar in a healthy range.

Who can get it

Type 2 diabetes is more common with age, family history, excess weight, physical inactivity, sleep problems, and some medical conditions. It can also occur in younger adults and children.

Why it matters

High blood sugar may not cause obvious symptoms at first, but it can slowly affect blood vessels, nerves, kidneys, eyes, and the heart. This is why screening and follow-up matter.

Type 2 diabetes is closely linked with insulin resistance, high blood pressure, cholesterol problems, and long-term cardiovascular risk.