Acidity is not a disease but the result of other diseases in the body. In other words, a person could be suffering from some other health problems and acidity could be a symptom or disorder. In this case, the acid formation in the stomach increases, which leads to sour belches, indigestion and loss of appetite.

A person with weak body and mind and having some king of phobia suffer from fits. Sudden loss in some part of the brain leads to loss of control on nervous system of the brain, which leads to mental disturbance and unconsciousness. This condition is known as fits.