Why are there cracks in the language - this is a serious pathology , or not?

Why are there cracks in the language - this is a serious pathology , or not?

With scheduled scans from any specialist doctor asks to see the language.This request is not formed because of the great love of the bully, and for the purpose of diagnosis of many diseases. Moreover, not only the mouth, but also the internal organs in particular.According to studies, the...