This document provides information on diabetes, including: - Symptoms such as increased thirst, fatigue, blurred vision, weight loss, and neurological issues. - Causes including lack of insulin production, insulin resistance, obesity, diet, lack of exercise, and genetics. - Types of diabetes including type 1, type 2, gestational, and secondary. - Investigations like fasting blood sugar, HbA1c, and oral glucose tolerance tests. - Complications involving hypoglycemia, ketoacidosis, and microvascular/macrovascular damage to organs like the eyes, kidneys, nerves, heart, and blood vessels. - Treatment options covering medications, insulin,