A Skin Symptom May Be a Sign of DiabetesDirty patches on the skin? Be careful, as it may be a sign of diabetes.
Look at your body, especially in the folds of your skin, for brown or black patches that feel rough or even smell bad. This embarrassing condition often mistaken for ‘poor hygiene’ is actually acanthosis nigricans.
The patches of acanthosis nigricans have no clear borders and are symmetrically distributed. They often appear in skin folds or in areas prone to friction.
Common areas: back and side of neck, groin, and underarm, of which more than 90 percent of the time will appear on the neck.[1]
Uncommon areas: waist (where it rubs against the waistband), under the breast, front of the elbow, and back of the knuckles. In severe cases, lesions may even appear in areas such as the navel, lips, and mouth....
Source: A Skin Symptom May Be a Sign of Diabetes (https://www.theepochtimes.com/health/a-skin-symptom-may-be-a-sign-of-diabetes_4865005.html)