In the clip, Dr Anis Khalaf, a proponent of traditional Chinese medicine from Florida, said this, along with a thick yellow coating on the tongue, was a sign of a 'yin-deficiency' in the body ...

Products containing thymol, menthol, witch hazel, peroxides and eucalyptus can also cause a yellow coating on the tongue, if the mouth is especially dry. Dehydration can lead to a yellow tongue ...

When it comes to oral hygiene, brushing and flossing often take centre stage. However, there’s a crucial step many overlook – ...