1. Your neck looks dirty
The black neck, known as Acanthosis nigricans (AN) is a skin condition that can be recognized by the dark, thick skin areas that it causes, mainly in the folds of the neck and armpits. This dermatosis is most often quite benign and associated with obesity, but it can also be a sign of an underlying disease.
Researchers suspect that acanthosis nigricans is a skin-resistance reaction to insulin levels that are too high, the hormone produced by the pancreas that regulates blood glucose. This insulin resistance may be associated with various disorders, including obesity and type 2 diabetes.
Acanthosis nigricans can also be the outward and visible sign of an underlying, silent disorder. Fortunately, this malignant form is much rarer because the causative disease often proves to be an aggressive tumor: it is observed in 1 out of 6,000 patients suffering from cancer, most often affecting the gastrointestinal system or genitals. -urinary.
The black neck may also be due to sunburn, pregnancy, use of an oral contraceptive, polycystic ovary disease.
A doctor will give you blood tests to check your blood glucose and make a diagnosis.
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