is it normal to smell cigarette smoke after covid phantom smells and the COVID-19 Pandemic Parosmia: Symptoms, Causes, and Treatment

Collider bias may occur when analyses are controls or selects the sample based upon a collider variable that is caused by both the exposure and outcome variables and distorts the true underlying association 48,49

And if you have lung cancer, the earlier you start treatment, the better

This effect is likely dependent on CB receptors, as 9 -THC can inhibit NK cell cytolytic activity, which could be reversed by antagonists targeting either CB1 or CB2 [99]

It is quite possible that e-cigs are not as bad for you as conventional cigarettes, but it is still the Wild West in terms of e-cig production, distribution, and medical knowledge of the effects they have on the body