This is such a horribly immature statement to make. There are many chemicals in cigarettes that can be utilized to either prevent or understand how Covid infects the human body, and what we can do to stop it. The nicotonic receptors are highly utilized by the immune system.
https://link.springer.com/article/10.1007/s11062-007-0037-2
I’m really getting tired of this lack of creative thought in thinking about health and disease.