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Causes of Diabetes-Related Skin Problems
Long-term type 2 diabetes with hyperglycemia (high blood glucose) tends to reduce blood flow to the skin. It can also cause damage to blood vessels and nerves. Decreased blood circulation can lead to changes in the skin’s collagen. This changes the skin’s texture, appearance, and ability to heal.
Damage to the skin cells can even interfere with your ability to sweat. It can also increase your sensitivity to temperature and pressure. Some glucose-lowering medications may also increase the risk of developing diabetes-related skin problems.
Source
https://www.healthline.com/health/type-2-diabetes/skin-problems#causes[/QUOTE
Interesting. I have found an increased sensitivity to cold since I was diagnosed.