Folic acid and the nervous system.
D000368:Aged; D005492:Folic Acid / Q000378:metabolism*; D005494:Folic Acid Deficiency / Q000150:complications*; D006801:Humans; D001523:Mental Disorders / Q000209:etiology*; D009422:Nervous System Diseases / Q000209:etiology*; D009461:Neurologic Manifestations; D014806:Vitamin B 12 Deficiency / Q000150:complications
D005492:Folic Acid