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by spondylosaurus 360 days ago
To expand on "great public health successes": folic acid supplementation is particularly important if you're pregnant, because it significantly reduces the odds of having a baby with neural tube defects like spina bifida (which is one of the milder NTDs, frankly). But it's also important even if you're not pregnant because B vitamin deficiencies will wreck your health.

This also reminded me of a great post from a few years ago about why salt is fortified with iodine: https://news.ycombinator.com/item?id=38782954