Stick out your tongue: Tongue appearance and illness

The tongue can betray signs of illness, which combined with other symptoms such as a cough, fever, presence of jaundice, headache or bowel habits, can help a physician offer a diagnosis. For people in remote areas who do not have ready access to a physician, a new diagnostic system works to combine the soft inputs of described symptoms with a digital analysis of an image of the patient's tongue.
Source: ScienceDaily Headlines - Category: Science Source Type: news