NaturalNews.com has very valuable information regarding foods and nutrients that are known to improve brain function.

Brain and spinal cord of the fetus develop from the neural tube that is formed during the first month of pregnancy. Now, a recent study suggests that vitamin B12 deficiency just before and after conception may be associated with up to 5 times the risk of having babies with neural tube defects (NTD).

Image Courtesy: The Pregnancy Zone