Paul Saladino· MD
as you smoke nanoparticles are absorbed from your lungs and nanoparticles hit your endothelial cells and kill them so if you smoke a cigarette you can actually see if there's a thing called micro particles which is basically a dead end to seal yourself micro particles float around in the bloodstream and you can measure them and if you get a volunteer to smoke one cigarette you can see lots of micro particles floating around in the bloodstream