Astham went from being a risk factor to a risk reduction factor. Smoking likewise, we are even at the point where One study suggests this could be because nicot

Astham went from being a risk factor to a risk reduction factor. Smoking likewise, we are even at the point where One study suggests this could be because nicotine interferes with ACE2 receptors, which may prevent the virus from entering cells. Why isnt everyone having a cigarette each day to interfere with the ACE2 receptors?