neural tube defects

Fortification of enriched grain foods with the B vitamin folate has been mandated in the U.S. and Canada since 1998. Since then, the prevalence of central nervous system defects in babies has decreased, as was the purpose of the fortification. A recent Canadian study indicates that such fortification has also reduced the prevalence of several heart malformation — an unexpected benefit.
Although we here at ACSH have often been skeptical about the utility of various dietary supplements including many vitamins and minerals there is one that we think is vitally important.