Which of these can be a warning sign of diabetes Posted on July 6, 2026 by Harpreet Kaur 2. Which of these can be a warning sign of diabetes? Feeling very thirsty and passing urine frequentlyAlways having perfect energyNever feeling hungry Validate Email Explanation: Yes! High blood sugar can cause symptoms like increased thirst, frequent urination, tiredness, and sometimes unexplained weight loss. Explanation: No! Diabetes may cause tiredness because the body cannot use sugar properly for energy Explanation: No! Changes in hunger can occur in diabetes, but “never feeling hungry” is not a typical warning sign.