Heart Health

Type 2 Diabetes

Medically reviewed by Sample Data Updated August 2026

Overview

Type 2 diabetes is a long-term condition in which the body has trouble using insulin properly, leading to elevated blood sugar levels.

Symptoms

Increased thirst, frequent urination, fatigue, blurred vision, and slow-healing sores.

Causes

A combination of genetics, excess body weight, and inactivity that leads to insulin resistance.

Diagnosis

Blood tests such as fasting glucose or A1C are used to measure average blood sugar levels.

Treatment

Lifestyle changes, oral medications, and sometimes insulin therapy help manage blood sugar.

Prevention

Regular exercise, a balanced diet, and maintaining a healthy weight can lower risk.