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What can cause a smell disorder?

Clifford W. Bassett, MD
Allergy & Immunology
It is estimated that at least one of every 100 people in the US may not have an adequate “sense of smell." Some of the most common causes of "smell dysfunction" in around 2 million individuals include allergies (naturally), sinus problems, injuries, structural abnormalities of the nose and sinuses, infection, and prolonged exposure to harsh chemicals.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.