Which of the following conditions is linked to high glucose levels?

High glucose levels are primarily associated with diabetes, a condition that results from the body's inability to properly use insulin or produce enough of it. In individuals with diabetes, either type 1 or type 2, glucose levels can become elevated because the hormone responsible for regulating blood sugar—insulin—is not functioning effectively. Over time, high levels of glucose in the blood can lead to various health complications, including damage to blood vessels, nerves, and organs.

Hypertension, while it can occur alongside diabetes as a common comorbidity, is not directly caused by high glucose levels. Hypoglycemia refers to low blood sugar, which is the opposite condition to high glucose levels. Asthma is a chronic respiratory condition that does not have a direct relationship with blood glucose levels. Thus, diabetes is the condition most specifically linked to an increase in glucose levels.