Read more: New Study Reveals Genetic Connection Between Parkinson's and Digestive Woes If you frequently have diarrhea or ...
Medically reviewed by John Carew, MD Fact checked by Khara Scheppmann Common tongue diseases and problems include canker ...
Regular mouth sores, a swollen or sore tongue, or cracks at the corners of the lips may suggest a deficiency in B vitamins, particularly B2, B6, B12, or folate. Iron deficiency can also show ...