If you can get pregnant, you should be popping at least one pill a day: a folic acid supplement to lower the risk of a type of serious birth defect in any future offspring.
So says the U.S. Preventive Services Task Force, which Tuesday reiterated its 2009 recommendation that all women who can conceive take 400 to 800 micrograms daily of the B vitamin in case their diet isn't providing enough of it.
More at NPR.