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42 Strange Symptoms That Can Signal a Serious Disease

Reader's Digest.CA Logo By Jessica Migala of Reader's Digest.CA | Slide 1 of 42: A rash-like discoloration called acanthosis nigricans 'almost looks like dirt but has a velvety feel,' says Todd Sontag, DO, a family medicine specialist with Orlando Health Physician Associates. He commonly sees it on the back of the neck or in the armpit. This is often a sign of diabetes or insulin resistance. 'Patients will come in asking about this rash they can't get rid of,' he notes. A doctor will order blood tests to check blood sugar levels to make the diagnosis.Here are 10 more silent signs of diabetes.

Your neck looks dirty

A rash-like discoloration called acanthosis nigricans 'almost looks like dirt but has a velvety feel,' says Todd Sontag, DO, a family medicine specialist with Orlando Health Physician Associates. He commonly sees it on the back of the neck or in the armpit. This is often a sign of diabetes or insulin resistance. 'Patients will come in asking about this rash they can't get rid of,' he notes. A doctor will order blood tests to check blood sugar levels to make the diagnosis.Here are 10 more silent signs of diabetes.
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