Doctors and medical books

my old doctors retired so i had to see a new one this week,i showed her what was wrong with me[tonque with deep cracks,blister,spitting blood],she looked,got out medical book and showed me book and said its nothing to worry about,not cancerous,just something some folks suffer from.
i would of thought shed know without refering to book,old doc took one look and would know,had this before,he said if it continued hed get appointment with e.m.t bloke,she said no need,its just somehing you need to learn to live with.
in future i might as well just buy myself a medical book and do it myself :unamused: