In fact, we need three semaphores, one for each smoker
Austin's go-to smoke shop since 2013
Enjoyed the comments
I hear the early warning signs of COPD whispering to me at night, as it moves in fast, beckoning me to join it in deaths embrace and challenging me to a race I shall never win
Behavioral intervention to promote smoking cessation and prevent weight gain: A systematic review and meta-analysis

Smoke Gas Toxicity Irritant Gases Cutaneous Exposure Chemical Pesticides Chemical Weapons of Terrorism Nerve Gases Tabun (G-A) Sarin (G-B) Soman (G-D) VX Novichok Summary of Nerve Gas Toxicity and Treatment Other Toxic Gases and Chemicals Acrolein (CHCHCHO) Ammonia (NH) Arsine (AsH) Arsenic (As) Benzene (CH) Cadmium (Cd) Carbon Disulfide (CS) Carbon Monoxide (CO) Carbon Tetrachloride (CCl) Chlorine Gas (Cl) Chloroform (CHCl) Chromium Cyanide (CN) Dichloromethane (DCM, CHCl) Ethylene Glycol (CHO) Ethylene Oxide (CHO) Formaldehyde (CHO) Formic Acid (CHO) Hexane (CH) Hydrazine (NH) Hydrofluoric Acid (HF) Hydrogen Chloride (HCl) Hydrogen Sulfide (HS) Isocyanates Lead (Pb) Mercury (Hg) Methyl Bromide (CHBr) Methyl Ethyl Ketone (MEK, CHO) Methyl Isocyanate (MIC, CHNCO) Mustard Gas (Sulfur Mustard, HD) Nickel Nitric Oxide (NO) Nitrobenzene (CHNO) Nitrogen Dioxide (NO) Ozone (O) Perchloroethylene (CCl) Phenol Phosgene (COCl) Phosgene Oxime (CX, CClNO) Phosphine (PH) Polychlorinated Biphenyls (PCBs) Styrene (CH) Sulfuric Acid (HSO) Sulfur Dioxide (SO) Tear Gas Toluene (CH) Toluene Diisocyanate (TDI, CHNO) Trichloroethylene (TCE, CHCl) Vinyl Chloride (CHCl) Xylene (CH) Zinc Chloride (ZnCl) Smoke Gas Toxicity Irritant gases can cause tracheitis, bronchitis, and bronchiolitis with hyperemia, bronchospasm, excessive mucus secretion, and edema
