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.
The vast majority (85%) of cases of lung cancer are due to long-term tobacco smoking. About 10â15% of cases occur in people who have never smoked. These cases are often caused by a combination of genetic factors and exposure to radon gas, asbestos, second-hand smoke, or other forms of air pollution.