Not just for the Chinese medicine practitioners... I've been taking note of tongues for a couple years now and they do tell quite a tale of a person's insides.

Nice article here from someone at Stanford U:
http://stanford25.wordpress.com/the-tongue-in-diagnosis/

EENT Study Questions – Throat
( handmedown )

Pneumococcal Vaccine Dosing Schedule Linked to Higher Risk of Acquiring Multiresistant Strain and
Guidelines Updated for Use of 23-valent Pneumococcal Polysaccharide Vaccine in Adults
medscape articles posted by Laurie Barclay, MD
( notes from medscape keeping up with concerns and ACIP, these notes pulled for black book )