2018 incidence: 599,274 1 in 10 of smoked cigarettes is illicit. These include blood clots, coronary heart disease, heart attacks, certain types of cancer, and lung disease. Rockville, MD: 2010. On average, someone in the U.S. has a stroke every 40 seconds. Of course, Farsalinos doesn't recommend that people should begin smoking simply to attempt to avoid a severe case of COVID-19. A new study calculates the number of smokers it takes to end the life of just one nonsmoker via secondhand smoke. Of course, Farsalinos doesn't recommend that people should begin smoking simply to attempt to avoid a severe case of COVID-19. At least one death linked to a vaping product.