送交者: HunHunSheng 于 2005-6-21, 14:43:40:
回答: Extra folic acid may protect brain 由 HunHunSheng 于 2005-6-21, 14:35:12:
I think it is the only Vitamin FDA ordered many grain products to be fortified with in order to
reduce incidence of neurual tube disorder (NTD).
The incident of NTD is very high in Nothern China