Assertion: ppm fluoride | /r/HasProperty | 1.0 ppm
Facets:
Source sentences:
text: at the University of Oregon Health Sciences Center find that as little as 0.2 ppm fluoride in the body (the “safe” level for public water supplies is 1.0 ppm, 8 times higher) stimulates superoxide production in resting white blood cells.
text: at the University of Oregon Health Sciences Center find that as little as 0.2 ppm fluoride in the body (the "safe" level for public water supplies is 1.0 ppm, 8 times higher) stimulates superoxide production in resting white blood cells, seriously depressing the ability of white blood cells to destroy pathogenic agents.