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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]
This chart shows CDC/NIOSH/ABLES Elevated blood lead level case definition in perspective. [ 2 ] The public health objective of the ABLES program is identical to the Occupational Safety and Health objective 7 in Healthy People 2020, which is to reduce the rate of adults (age 16 or older) who have BLLs ≥ 10 μg/dL. [ 3 ]
Over 170 million U.S.-born people who were adults in 2015 were exposed to harmful levels of lead as children, a new study estimates. Researchers used blood-lead level, census and leaded gasoline ...
[81] [82] Blood lead levels below 10 μg/dL have been reported to be associated with lower IQ and behavior problems such as aggression, in proportion with blood lead levels. [21] Between the blood lead levels of 5 and 35 μg/dL, an IQ decrease of 2–4 points for each μg/dL increase is reported in children. [42]
the guidelines, titled "Action Levels for Lead in Processed Food Intended for Babies and Young Children: Guidance for Industry," it added, is the latest move to support its Closer to Zero ...
Of those tested, 1.74% (1,300 children) had elevated blood lead levels. Among Black and Hispanic children, 2.6% had elevated blood lead levels. Clearly, we are missing children with elevated lead ...
Experts use a new level based on the U.S. population of children ages 1-5 years who are in the top 2.5% of children when tested for lead in their blood (when compared to children who are exposed to more lead than most children). Currently that is 3.5 micrograms of lead per deciliter of blood. [6]
The FDA first proposed the new lead levels in 2023 as part of its Closer to Zero initiative, which the agency says strives to lower the levels of arsenic, lead, cadmium and mercury in baby foods.