Traces of the industrial chemical melamine have been detected in samples of top-selling U.S. infant formula, but federal regulators insist the products are safe. The Food and Drug Administration said last month it was unable to identify any melamine exposure level as safe for infants, but a top official said it would be a “dangerous overreaction” for parents to stop feeding infant formula to babies who depend on it.

“The levels that we are detecting are extremely low,” said Dr. Stephen Sundlof, director of the FDA’s Center for Food Safety and Applied Nutrition. “They should not be changing the diet. If they’ve been feeding a particular product, they should continue to feed that product. That’s in the best interest of the baby.”

I get that I’m just a housewife (with a graduate degree) and I couldn’t possibly really understand what the scientists know…

Previously undisclosed tests, obtained by The Associated Press under the Freedom of Information Act, show that the FDA has detected melamine in a sample of one popular formula and the presence of , in the formula of a second manufacturer.

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