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We'll go into detail about the connection between smoking and hearing loss as well as the onset of tinnitus (ringing in the ear)

"You see tobacco of Virginia type grown in many different countries and climates," says Jeremy, "from Argentina to India, parts of Africa to Germany, Ukraine to Cyprus, Greece and many more." Due to this diversity of location and environment where the crop is grown, this results in a staggering 156 different flue-cured grades that can be described using USDA-grading tools

Another factor that influences long-term outcomes is whether patients continue to smoke after surgery, which can further damage the lungs following treatment

The study was funded by the Cancer Policy Research Centre at Cancer Research UK, and was published in the international journal Addiction