i have also burned my tongue by a hot tea 3-4 weeks ago and i have a litle red spot on the one side of my tongue and i thought that it would been heald but it hasn't healed at all!! and i am afraid of it because i was smoking for 2-3 weeks in that period and i am fraid if it is some kind of cancer or something please can you give me a medical help as fast as you can..what can i do?