Childhood lead exposure in the United States is ubiquitous and much more concerning than previous estimates have suggested, according to a new study.
When researchers analyzed leaded gas use from 1940 and combined it with data on blood-lead levels from the mid 1970s, they found more than 54 percent of Americans alive in 2015 had been exposed to dangerous levels of lead as children., mental illness and cardiovascular issues, because of the lead they breathed in, ingested or absorbed as kids.
And that's just the average. Those born in the 1960s and 1970s, when leaded gas use was reaching a peak, could have lost an average of six to seven IQ points. The cohort's lead exposure was eight times over today's health limits. Children born after 1996 generally have lower blood-lead levels than their parents and grandparents, but compared to generations before the preindustrial era, their lead exposure is still much higher.in the US, like Flint Michigan, that continue to suffer from the nation's legacy of unlimited lead use, and the racial disparities are stark.
The authors of the study are now examining the long-term consequences of that exposure, and whether it can account for racial disparities in health outcomes, like kidney disease, coronary heart disease, and dementia.clinical psychologist Aaron Reuben from FSU."It's not like you got into a car accident and had a rotator cuff tear that heals and then you're fine.
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