Study asks: Is too much folic acid a cause of autism?

Folic acid can help prevent birth defects, but new research suggests a possible risk of taking too much

From: http://redirect.viglink.com?u=http%3A%2F%2Fwww.cbsnews.com%2Fnews%2Fcould-too-much-folic-acid-cause-autism%2F&key=ddaed8f51db7bb1330a6f6de768a69b8