Are abdominal symptoms related to anorectal function in the irritable bowel syndrome?
Abdominal symptoms and anorectal function are not related in IBS.
In Caucasians, the C677T variant in the MTHFR gene influences susceptibility to MA, but not MO. Investigation into the enzyme activity of MTHFR and the role of homocysteine in the pathophysiology of migraine is warranted.