Thanks for writing about the weird smells. I too have had the family search the house for a non existant electrical fire.
For the last 6 months I have been constantly smelling cigarette smoke – really disgusting, even nauseating: like the bottom of an ashtray. (Why couldn’t it be BBQ?)
My family doctor said to take extra zinc and that helped for about a week. But it is back even as I type.
Sigh. This is such a bizarre disease.