What chemical in the cigarette is doing it ?
From the article:
Experts believe nicotine, the chemical that makes tobacco addictive, competes with the virus to binds with cells in the body, therefore blocking it from entering.Scientists claim nicotine offers a legitimate avenue for both preventing and treating Covid-19, as the global race to find a cure to halt the pandemic continues.
Studies show nicotine may stop a dangerous immune system over-reaction called a cytokine storm - a phenomenon found to be killing many Covid-19 patients.