i can smell cigarette smoke all the time have "olfactory hallucinations" in which I smoke. What could be causing this? i smell cigarette smoke all

Adult cigarette smoking prevalence: declining as expected (not as desired)

National Institutes of Health

A stroke can cause paralysis, slurred speech, altered brain function and death

Nicotine can influence glutamate signaling, and while that can contribute to sharper focus in some people, it can also worsen symptoms in those who already feel wired but tired, overstimulated, anxious, restless, sound-sensitive, light-sensitive, or prone to insomnia

Detrimental metabolic effects of combining long-term cigarette smoke exposure and high-fat diet in mice

Tobacco substances undergo first-pass metabolism in the liver, exposing the organ to a complex array of over 4000 toxic chemicals, including nicotine, nitrosamines, aromatic hydrocarbons, and various carcinogens [24]