Presently, 81 countries mandate the fortification of grain products with folic acid to lessen the risk of neural tube defects in the developing fetus. A new study suggests that it’s worked, and that it also reduces risk for severe mental illness and psychosis.

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Presently, 81 countries mandate the fortification of grain products with folic acid to lessen the risk of neural tube defects in the developing fetus. A new study suggests that it’s worked, and that it also reduces risk for severe mental illness and psychosis.