What is seeing smoke when there is none?

When a person sees smoke when there is none present, it is known as a visual hallucination. Visual hallucinations can be caused by various factors, including medical conditions such as migraines, epilepsy, or Parkinson's disease, or by the use of certain drugs or medications. In some cases, stress or sleep deprivation may also trigger visual hallucinations.

Seeing smoke when there is none can also be a symptom of certain mental health conditions, such as schizophrenia or severe depression. It is essential to consult a doctor or mental health professional if these visual hallucinations persist to determine the underlying cause and appropriate treatment.