What medical condition is caused by the insufficient amount of insulin in the body?

The medical condition caused by an insufficient amount of insulin in the body is diabetes type I. This form of diabetes is characterized by the body's inability to produce insulin due to the destruction of insulin-producing beta cells in the pancreas, often as a result of an autoimmune response. As a result, individuals with type I diabetes require insulin administration to maintain normal blood glucose levels.

In contrast, diabetes type II, gestational diabetes, and hypoglycemia have different underlying mechanisms regarding insulin. Diabetes type II typically involves insulin resistance, where the body does not use insulin effectively, often accompanied by a relative insensitivity to insulin rather than a complete lack of it. Gestational diabetes occurs during pregnancy and is primarily associated with insulin resistance related to hormonal changes during that time, rather than a deficit of insulin. Hypoglycemia refers to low blood sugar levels, which is not a condition caused by insufficient insulin production, but rather an imbalance in blood glucose regulation.

Understanding these distinctions highlights why diabetes type I specifically is categorized as a condition resulting from an insufficient amount of insulin in the body.