when you smell cigarette smoke Why do I there is none? The Science of Smoke Odor:

Beyond the smoking traits, with all SNPs included, higher ND was genetically correlated with higher risks of alcohol dependence 30 , neuroticism 31 , psychiatric diseases (attention deficit hyperactivity disorder 32 , bipolar disorder 33 , major depressive disorder 34 and its symptoms 31 , posttraumatic stress disorder, and schizophrenia 35 ) and smoking-related consequences (lung cancer and its histological subtypes 36 and coronary artery disease 37 )

"Then Again: A Memoir by Diane Keaton review"

Smoking is associated with quantifiable differences in the human lung DNA virome and metabolome

1.Humidity Control The dried tobacco will seriously affect the taste of the cigarette

You can be clear with her that until you are convinced she is not smoking, you will be restricting her freedom and that she has to earn her privileges at home by taking steps to stop smoking