These are the signs that he is

unexplained lumps, or numbness should raise concern.

Difficulty chewing, swallowing, or speaking, sudden loose teeth, and ongoing bad breath are also red flags that need professional attention.

Several risk factors raise the likelihood of oral cancer. Tobacco in any form, heavy alcohol use, prolonged sun exposure, HPV infection, poor oral hygiene, ill-fitting dentures, and family history of cancer all increase vulnerability. Strengthening immunity and avoiding irritants can help lower risks.

Like other cancers, oral cancer develops in stages. Stage 0 is localized abnormal cells, Stage I small tumors under 2 cm, and Stage II tumors up to 4 cm without spread. Stage III involves larger tumors or single lymph node spread, while Stage IV signals deeper tissue invasion or distant spread