Chronically high levels of blood glucose can cause which conditions? Check all that apply.

Long-term high blood glucose can damage nerves, causing neuropathy, and damage the blood vessels in the retina, causing retinopathy. Grogginess may occur with blood glucose changes but is not the chronic complication asked about here, and constipation is not a typical direct complication of chronically high glucose.

AI-written and checked against the verified answer.