Diatomaceous Earth? No Thank You! | Science-Based Medicine
Diatomaceous earth is a soft, siliceous sedimentary rock containing the fossilized skeletal remains of diatoms. It has been used as a bug killer: it is hypothesized that the sharp particles physically cut up the insects and also damage their waxy protective layer, causing dehydration. It is also used as an abrasive, a filter, an anticaking ...
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