Date: Monday Dec. 13, 2010 12:27 PM ET Fortifying flour and bread with folic acid has helped to reduce the incidence of birth defects in Canada, but now, some Canadian doctors are worried we may be getting too much of the vitamin. Folic acid, the synthetic form of the B vitamin folate, is known to reduce the risk of neural tube defects, such as spina bifida, congenital heart ... Continue Reading