pernicious anemia and vitamin b12 injections Injections: Benefits Risks Vitamin B12 Deficiency in Pernicious
Description
B12 deficiency can decrease folate levels in the cells even if folate intake remains the same

Though the injections are not a cure for migraines, they help by temporarily blocking the release of chemicals involved in pain transmission, reducing both the frequency and intensity of migraines

W.HerndonJ

the RDA is 2.4 g/d

J Clin Epidemiol
