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Blood lead level (BLL), is a measure of the amount of lead in the blood. [1] [2] Lead is a toxic heavy metal and can cause neurological damage, especially among children, at any detectable level. High lead levels cause decreased vitamin D and haemoglobin synthesis as well as anemia, acute central nervous system disorders, and possibly death. [3]
Elevated blood lead levels (BLLs) in adults can damage the nervous, hematologic, reproductive, renal, cardiovascular, and gastrointestinal systems.. Current research continues to find harmful effects in adults at BLLs previously considered harmless, such as decreased renal function associated with BLLs at 5 micrograms per deciliter (μg/dL) and lower, and increased risk of hypertension and ...
However, studies that show associations between low-level lead exposure and health effects in children may be affected by confounding and overestimate the effects of low-level lead exposure. [83] High blood lead levels in adults are also associated with decreases in cognitive performance and with psychiatric symptoms such as depression and ...
Children in northwest Jefferson County face a risk of lead poisoning more than nine times higher than other children in the county, an analysis shows.
His analysis of years of blood lead level testing, represented in more than 110,000 rows of data, indicated a significant local testing decline, as well as heightened lead exposure risk in the ...
The World Health Organization (WHO) specifically notes that there is "no known safe blood lead concentration," and that even blood lead concentrations as low as 3.5 µg/dL (micrograms per ...
Number tested high is defined as a blood lead level greater than or equal to 10 micrograms per deciliter whole blood (μg/dl) See also
The level of lead in her daughter Zoe’s blood was alarmingly high at 21 micrograms per deciliter — an amount four times the Centers for Disease Control and Prevention threshold of 5 micrograms per deciliter.