Swedish teenagers who consumed more folic acid got better school grades, a small study published in the journal Pediatrics has found.But don’t run out and stock up on the B vitamin with the rest of your school supplies just yet, one expert warns. “There is very little deficiency of folic acid in North America,” Deborah O’Connor, a nutrition researcher who was not involved in the study, told Reuters Health. “If you’re already sufficient, there is not a lot of evidence that taking more supplements will help.”
