Assertion: human's food | /r/HasProperty | contaminated by fluorine-filled volcanic ash
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Source sentences:
text: The 1,000–700 ka Java man specimen presents a noticeable osteocyte on the femur, likely Paget's disease of bone, and osteopetrosis, thickening of the bone, likely resulting from skeletal fluorosis caused by ingestion of food contaminated by fluorine-filled volcanic ash (as the specimen was found in ash-filled strata).