Shelley Duvall had Type 2 diabetes.

Key Details

• Diabetes Type: Publicly available information confirms she lived with Type 2 diabetes, not Type 1.
• Diagnosis & Management: Her diabetes diagnosis was reported later in her life, significantly contributing to known health difficulties.
• Associated Complications: Diabetes was a major factor in the health challenges Duvall experienced.

Type 2 diabetes is a chronic metabolic condition characterized by insulin resistance and relative insulin deficiency, distinct from the autoimmune origin of Type 1 diabetes.