These flavoring chemicals are believed to be responsible for a deadly disease called popcorn lung when they're inhaled in large quantities (like in the case of popcorn factory workers)
In The Sleeping Cardinal , Holmes uses tongs to lift a burning coal from the fireplace and uses it to light his pipe: an act borrowed from the short story "The Adventure of the Copper Beeches"
Their primary function is to trap particulate matter and reduce the amount of tar, nicotine, and other harmful substances that smokers inhale
Cigarette smokers who are low in Lactobacillus have another strike against them: They tend to have high levels of biogenic amines, such as agmatine, cadaverine, putrescine, tryptamine, and tyramine, which increase the virulence of infective agents
adults (over age 18) who smoked cigarettes at the beginning of the study (2014-2015) and did not have lung diseases such as COPD, chronic bronchitis, or emphysema