NIH Websites Are Changing

Beginning in late July, NIH will start introducing a new website experience designed to make it easier to find health information, research, funding opportunities, and other resources. During the transition, you may notice changes to navigation, page layouts, and where some information is located.

Learn more in our Frequently Asked Questions. 

Video & Transcript of Maternal Vitamin B12 Levels & the Risk of Neural Tube Defects

Learn more about maternal vitamin B12 levels and the risk of neural tube defects from either the video or text version featuring Dr. Mills.

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