Among the first signs are: a persistently irritated spot in the mouth that does not change or gradually worsens, white, red, or dark patches on the mucous membrane , signalling that tissue is reacting to repeated irritation, non-healing sores or ulcers that persist for more than one to two weeks, frequent gum bleeding without an obvious cause, swellings, hardened areas, or small lumps in the mouth
Like other cancers, the causes of oral cancer are still being researched
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Like his father, Dews writes books