While some risk factors for esophageal cancer are unavoidable such as male birth gender and older age using tobacco of any kind is at the top of the list of changeable risk factors, followed closely by drinking alcohol
[137] [89] A 2017 review added 1,3-butanediol, 1,3-propanediol, ethylene and diethylene glycol, safrole, ethyl vanillin, and -thujone to the list of ingreidents
This sticky tar is black in colour and after years of smoking it builds up inside the lungs and causes them to become black too

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