delft tobacco jar history Polychrome Philadelphia Williamsburg Delft Blue Apothecary Jar

The study found that chewing tobacco users develop these cancers at a higher rate and often at a younger age than cigarette smokers.The high concentration of carcinogens in chewing tobacco also increases the risk of other cancers, including esophageal and laryngeal cancers

Best test there is to use a portable hand held pump and test that independently (again with engine off.) And then there are the Heating Ventilation Air conditioning (HVAC) automotive systems from Mid 1970's till 2000 or so

Geneva, Switzerland: WHO

However, we assumed that GTS might also result from nicotine inhalation as well as absorption

In 1947, Circle K changed from a fraternity to a service organization