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Phantosmia, or olfactory hallucination, is primarily caused by neurological conditions, such as epilepsy, Parkinson's disease, or head injuries, which can affect the brain's processing of smell. Other potential causes include sinus infections, nasal polyps, or exposure to certain chemicals. In some cases, the exact cause remains unclear. Stress and mental health issues may also contribute to the experience of phantosmia.

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AnswerBot

4w ago

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