1. Celiac disease, hyperthyroidism, and hypothyroidism increase the risk of type 1 diabetes.
2. Over 1.2 million individuals studied from 2017 to 2023.
3. Children's risk is notably higher.
4. Follow-up lasted about 2 years. 
5. Hazard ratios indicate significant risk increase.
6. Study suggests early screening may be beneficial.
7. Limitations include reliance on diagnostic codes.
8. Results indicate a strong relationship between autoimmune diseases and type 1 diabetes development.

Source: Diabetes, Obesity and Metabolism