US government report says fluoride at twice the recommended limit is linked to lower IQ in kids
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我一直觉得美国的自来水很臭,所以一直用滤水器。滤水器过滤氟应该很有效的。
-r41866-
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08/29/2024 postreply
10:28:14
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能有效滤氟的过滤器不多。再说源头加,家里滤,能有什么大用?
-辛迪16-
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08/29/2024 postreply
13:00:37
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反渗水含氟量应该很低
-周老大-
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08/29/2024 postreply
14:06:32
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