New study shows causal link between Autism and Folic Acid consumed during pregnancy.

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A new 2013 study led by scientist Pal Suren found that women who consumed from four weeks before conception to eight weeks into had a 40 per cent lower risk of to children with , the most severe form of autism. The findings showed no impact on .

For years have advised pregnant women to take folic acid as part of their daily vitamin regiment. The U. S. Service and CDC recommend that all women of childbearing age consume 0.4 mg (400 micrograms) of folic acid daily to prevent two common and serious birth defects, spina bifida and anencephaly.

“It appears that the reduced risk of only reflects , not food or other supplements, and that the crucial time interval is from four weeks before conception to eight weeks into ,” says Dr Pål Surén, primary author of the paper and at the Norwegian Institute of .

The ABC study was conducted by the Norwegian Institute of in collaboration with Columbia University in New York and the National Institute of Neurological Disorders and Stroke (NINDS) in , USA.

The study investigated 85,176 children, who were born in 2002-2008, with mothers providing detailed information about their diet and use of supplements. Results demonstrate that 270 children with autism diagnoses were identified in the . Of these children, 114 children had autism, 56 had Asperger syndrome and 100 had atypical or unspecified autism.

Source

Surén P, Roth C, Bresnahan M, et al. Association between maternal use of and risk of autism in children. JAMA, 2013 DOI: 10.1001/jama.2012.155925

http://www.cdc.gov/ncbddd/folicacid/recommendations.html

 

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