February 13, 2013 10:00 am Folic Acid: Autism Preventative Doctors now advise pregnant women to take 400 micrograms of folic acid every day. A new study says folic acid supplements taken early in pregnancy may reduce Autism risk by 40%. NBC’s Erika Edwards reports. Local 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis