Science & Scripture · Medicine

Burning a fish's heart repels evil spirits, and rubbing fish bile on eyes cures cataracts.

Medicine 97 passages in this field

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What current science says

Burning fish heart would produce smoke containing combustion byproducts: carbon dioxide, water vapor, various organic compounds, and a terrible smell. None of these repel anything except perhaps dinner guests. As for fish bile (gall) on the eyes: bile contains bile salts, cholesterol, and bilirubin — all of which are irritants to the delicate corneal surface. Applying bile to eyes would cause chemical irritation, potential corneal damage, and risk of infection from bacteria present in the bile. Modern cataract treatment involves surgically removing the clouded lens and replacing it with an artificial one — a precision procedure, not a fish-gut home remedy.

What the text says

This comes from the Book of Tobit (Tobias) 6:8-9. An angel instructs that burning a fish heart's smoke 'will drive away all kinds of devils' and that 'the gall is good for the eyes' to cure white specks — presenting fish organs as both an exorcism tool and ophthalmic medicine.

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