This article discusses how different appearances and characteristics of the tongue can help doctors find diseases without using expensive equipment. For example, scientist would observe "black discoloration"and be able to tell if the patient has been on antibiotics for too long, or they would be able to tell if an HIV patient has fungal overgrowth just by observing the tongue. I enjoyed reading this article and I believe that being able to identify an illness that somebody has just by looking at the tongue could be quite helpful in third world countries where medical supplies are scarce. If more research is done on this topic until doctors have a wide database of potential diseases that can be found by looking at the tongue, then millions of lives will be affected for the better.
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