Smoke inhalation can therefore quickly lead to incapacitation and loss of consciousness. Sulfur oxides, hydrogen chloride and hydrogen fluoride in contact with humidity sort sulfuric, hydrochloric and hydrofluoric acid, which are corrosive to both of those lungs and components. Smoking might be dated to as early as 5000 BCE, https://nmate02356.wikikarts.com/1309781/an_unbiased_view_of_smoke