It isn't a technical or medical term, so it means a range of things. Generally, it is used to mean something ranging from an anxiety attack, to a deep depression where a person truly cannot be productive, through to a complete break from reality requiring hospitalization. Written Jul 29, 2013 Â· View Upvotes.
Approximately 90 percent of those diagnosed with oral cancer or pharyngeal cancer (including cancer of the mouth, tongue, lips, throat, parts for the nose, and larynx) are tobacco users. Tobacco. All forms of tobacco increase a person's risk of oral cancer.
There is some evidence that smoking could cause breast cancer [11-15]. After lung cancer, the upper aerodigestive tract cancers (mouth, upper throat, voice box and gullet) have the highest proportions of cancer cases caused by smoking â population attributable fractions, or PAFs, of more than 6 in 10 [4].obacco is the single biggest cause of cancer. Experts agree that tobacco is the single biggest avoidable cause of cancer in the world [1, 2]. Smoking causes over a quarter (28 per cent) of cancer deaths in the UK and nearly one in five cancer cases [3, 4].