Undivided Lead Poisoning & Justice Reform Advocacy Community

Undivided Lead Poisoning & Justice Reform Advocacy Community Welcome! U.N.D.I.V.I.D.E.D.; (Unified Neighboring
Demographics in Voiced Indivisibility Deconstructing
Environmental Disease) Cleveland was formed in 2019.

It
was inspired by a current neurological health and
sociological emergency occurring in Cleveland.

03/26/2026

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😟😟😟 CLEVELAND, Ohio – A longstanding group of lead safety activists gathered in City Hall’s rotunda Monday morning to remind Mayor Justin Bibb that childhood lead poisoning must be “public enemy #1.”

Cleveland Lead Advocates for Safe Housing, better known as CLASH, held a press conference to call out what the group sees as a lack of meaningful progress in reducing the number of kids poisoned by lead each year.


(Source: https://www.cleveland.com/news/2026/03/public-enemy-1-activists-call-out-clevelands-lack-of-progress-fighting-lead-poisoning.html?outputType=amp)

03/19/2026

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😟😢😢 The brain is the most sensitive organ to lead exposure (Cleveland et al., 2008). In a child's developing brain, synapse formation is greatly affected in the cerebral cortex by lead. Lead also interferes with the development of neurochemicals, including neurotransmitters, and organisation of ion channels (Casarett et al., 2007). Lead poisoning also causes loss of neuron myelin sheath, reduction in the number of neurons, it interferes with neurotransmission and decreases neuronal growth (Pearson & Schonfeld, 2003). The brain of adults exposed to increased lead levels during their childhood also shows a decreased volume, especially in the prefrontal cortex on MRI (Cleveland et al., 2008)


Source : (https://pmc.ncbi.nlm.nih.gov/articles/PMC4961898/ #:~:text=The%20brain%20is%20the%20most%20sensitive%20organ,affected%20in%20the%20cerebral%20cortex%20by%20lead.)

03/12/2026

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😩😩😩 The study showed that from 1990 to 2015 blood lead levels in children declined substantially — but levels in non-Hispanic Black children living in racially segregated neighborhoods remain higher than in children living outside those communities.

“In the United States, one of the clearest examples of the link between racial residential segregation and environmental exposures is childhood lead exposure – which has been shown to be disproportionately burdensome to members of the Black community,” said Marie Lynn Miranda, director of CEHI and adjunct professor in the Department of Applied and Computational Mathematics and Statistics at Notre Dame. “We found that in 1990 there was a strong relationship between communities that were very segregated and children who had more elevated blood lead levels,” Miranda said. “When we look at the data for 2015 we see, unfortunately, that relationship has persisted.”


(Source: https://research.nd.edu/news-and-events/news/blood-lead-levels-show-enduring-legacy-of-structural-racism/)

03/05/2026

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😩😩😩 We estimate that at least 151 million cases of diagnosable mental disorder that the population would have experienced over the last 75 years could be attributable to lead,” said Aaron Reuben, a new assistant professor of psychology at UVA and a study co-author. The cases, he said, “would not have existed were it not for the addition of lead to gasoline,” ostensibly to improve engine performance.

“If you look at the current population, Generation X likely had the highest exposures, en masse, of any U.S. generation.”

The study found people born during the era of leaded gasoline are expected to have experienced in their lives “a greater risk for attention deficit hyperactivity disorder, greater risk for psychosis and thought disorders, greater risk for externalizing conditions like antisocial behavior, and internalizing conditions like anxiety, depression,” Reuben said.


(Source: https://news.virginia.edu/content/generation-x-bullseye-lead-exposure-harms-mental-health)

02/26/2026

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😒😒😒 Lead poisoning can have detrimental effects on neurodevelopment, potentially impacting cognitive function as well as behavioral and emotional well-being. Understanding these consequences is crucial in recognizing the potential connection between lead poisoning and autism spectrum disorder (ASD).

Cognitive Effects of Lead Exposure
Excessive lead exposure has been associated with various cognitive impairments in children. Studies have shown an inverse relationship between increased blood lead levels and intelligence scores, with a 4.6-point decline in IQ scores associated with a 10 μg per deciliter increase in average blood lead concentration. This decline in intelligence scores highlights the potential cognitive damage caused by lead exposure.

Furthermore, lead exposure has been linked to decreased memory performance, including difficulties with spatial memory and learning. These challenges can impact a child's ability to acquire new knowledge, retain information, and perform well academically.

Behavioral and Emotional Consequences
In addition to cognitive effects, lead exposure can also contribute to various behavioral and emotional problems. Children with a history of lead poisoning may experience learning disabilities, delayed speech acquisition, and other educational difficulties. These challenges can significantly impact their overall development and ability to interact with others.

Social withdrawal is another common consequence of excessive lead exposure. Lead-exposed individuals may exhibit higher levels of shyness, anxiety, and social withdrawal, making it more challenging for them to form and maintain relationships. These behavioral and emotional consequences can have a profound impact on a child's quality of life and overall well-being.

02/19/2026

🫶🏾 JOIN US EVERY THURSDAY 1974 E. 66 12PM - 3PM

😩😩😩 Based on both strategies, the researchers found that more lead exposure increased cities’ homicide rates. Cities that used lead pipes had homicide rates 24 percent higher than in cities without lead pipes, on average; places with more acidic water saw bigger increases.

Removing lead from gasoline reduced violent crime

Evidence from the mid- to late-20th century also supports the hypothesis that lead exposure increases criminal behavior. During those years, the primary source of exposure to lead was from leaded gasoline; the lead was released into the air with car exhaust and then settled into soil near the roads.


(Source: https://www.niskanencenter.org/research-roundup-lead-exposure-causes-crime/ #:~:text=Based%20on%20both%20strategies%2C%20the,into%20soil%20near%20the%20roads.)

02/12/2026

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😟😟😟 A new study calculates that exposure to car exhaust from leaded gas during childhood altered the balance of mental health in the U.S. population, making generations of Americans more depressed, anxious and inattentive or hyperactive. The research estimates that 151 million cases of psychiatric disorder over the past 75 years have resulted from American children’s exposure to lead.

The findings, from Aaron Reuben, a postdoctoral scholar in neuropsychology at Duke University, and colleagues at Florida State University, suggest that Americans born before 1996 experienced significantly higher rates of mental health problems as a result of lead, and likely experienced changes to their personalities that would have made them less successful and resilient in life.

Leaded gas for cars was banned in the U.S. in 1996, but the researchers say that anyone born before then, and especially during the peak of its use in the 1960s and 1970s, had concerningly high lead exposures as children.




(Source: https://dupri.duke.edu/news-events/news/20th-century-lead-exposure-damaged-american-mental-health)

02/05/2026

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😒😒😒 Ohio ranks third in the nation for the highest number of lead pipes, with approximately 745,000 lead service lines still in use, accounting for over 8% of the national total. Proposed legislation aims to replace all of Ohio's lead pipes within 15 years to combat serious health risks to children and adults.

Lurking under the yards and sidewalks of houses across Ohio are lead pipes that deliver potentially dangerous drinking water to hundreds of thousands of families.


(Source: https://www.dispatch.com/story/news/environment/2025/06/17/ohio-may-require-all-lead-water-pipes-to-be-replaced/83774240007/?gnt-cfr=1&gca-cat=p&gca-uir=false&gca-epti=z11xx51p118950c118950v11xx51&gca-ft=259&gca-ds=sophi)

01/29/2026

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😪😪😪 “What's going on in Cleveland is our lead poisoning rate is the highest in the country,” Dr. Dave Margolius, the city’s public health director, said. “You know, nearly one in five children are testing positive for lead poisoning.”

Margolius said lead is a neurotoxin that causes irreversible brain damage to babies who are exposed to it. The department reports more than 1,300 children tested for elevated blood lead levels in 2024.

Over the past five years, city leaders have worked to address Cleveland’s lead crisis through legislation and executive orders that require property owners to register their properties as lead safe. Regardless, the rate of lead poisoning has hovered around 20% since 2019.


(Source: https://spectrumnews1.com/oh/columbus/news/2025/04/22/cleveland-lead-crisis)

01/22/2026

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☹️☹️☹️ Global estimates suggest that 1 in 3 children worldwide have elevated blood lead levels (UNICEF & Pure Earth, 2020). In 2015, Flint, Michigan made national news when elevated levels of lead were found in the drinking water resulting in high childhood blood lead levels across the city (Pell & Schneyer, 2016). While Flint garnered national attention, in the United States alone there are close to 3,000 cities with lead poisoning rates double those measured in Flint during the water crisis. More than 1,100 of these communities had a rate of elevated blood tests that were at least four times higher than Flint (Pell & Schneyer, 2016).

Lead is a well-known neurotoxicant, with there being no safe level of lead exposure in children (Ruckart et al., 2021). Since children’s brains are still developing, they are particularly vulnerable to lead exposure. Even small amounts of lead exposure in childhood is associated with poor neurocognitive and cardiometabolic outcomes such as lower IQ scores (Heidari et al., 2022), increased aggression (Tlotleng et al., 2022), and elevated blood pressure (Zhang et al., 2012). Furthermore, the effects of lead exposure appear to be long-lasting. For example, chronic lead exposure in childhood has been associated with reduced brain volume in adults (Cecil et al., 2008).


(Source: https://sph.umich.edu/pursuit/2022posts/lead-exposure-may-alter-bodys-response-to-stress.html)

01/15/2026

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😕😕😕 In 1914, Alice Hamilton wrote that "the conditions under which the work is done in our factories are conducive of a very high rate of [lead] poisoning."14 Nevertheless, policies at the federal level permitted lead additives in gasoline until 199625 and in paint used for interior surfaces until 1979.15 The economic advantages from the addition of lead to products were substantial.15,22,25,28,29 Adding tetraethyl lead to gasoline increases octane level (fuel efficiency) at a lower cost than further refining.25 Similarly, as advertised to the public, there were substantial advantages in appearance and durability from using lead-based paint.28,29
In 1925, the Surgeon General of the United States temporarily suspended the production and sale of leaded gasoline and appointed a panel of experts to investigate recent fatalities that had "occurred in the manufacture and mixing of the concentrated [End Page 435] tetraethyl lead."25 An industry-dominated advisory committee in which Alice Hamilton was the only genuine environmental thinker advised against the use of tetraethyl lead in gasoline; their advice, however, was ignored.22
In 1969, Joel Alpert et al. expressed concern about environmental contamination from motor car exhausts,20 and in 1980 the U.S. Public Health Service concluded that lead in gasoline had become the predominant cause for lead poisoning in the United States.25 However, lead was not banned from gasoline until a decade later in 1990.16,25 The benefits of this ban on lead in gasoline were summarized by Herbert Needleman, who reported:




(Source: https://muse.jhu.edu/pub/1/article/882044)

01/08/2026

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😔😔😔 Neighborhoods were therefore ranked on color-coded maps that were distributed to lenders; the colors ranged from green for those considered "best" to red for those considered "hazardous."4[p.65],10 "A neighborhood earned a red color," wrote Richard Rothstein, "if African American families lived in it, even if it was a solid middle-class neighborhood of single-family homes"4[p.64]—thus the term "redlining."4[pp.vii–vii],5

Three redlined neighborhoods in north Brooklyn—Crown Heights, Bedford-Stuyvesant, and Fort Greene—were in the lead belt identified by Jacobziner and Raybin.1 In the first nine months of 1961, at least 41 children in these neighborhoods were found to have had blood lead levels greater than 60µg/dl. Thirteen children in the five boroughs of New York City, all of African American or Puerto Rican ancestry, died of lead poisoning in those nine months.1


(Source: https://muse.jhu.edu/pub/1/article/882044)

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Flint Is in the News, but Lead Poisoning Is Even Worse in Cleveland

CLEVELAND — One hundred fifty miles northwest of here, the residents of Flint, Mich., are still reeling from the drinking water debacle that more than doubled the share of children with elevated levels of lead in their blood — to a peak, in mid-2014, of 7 percent of all children tested.

Clevelanders can only sympathize. The comparable number here is 14.2 percent.

The poisoning of Flint’s children outraged the nation. But too much lead in children’s blood has long been an everyday fact in Cleveland and scores of other cities — not because of bungled decisions about drinking water, but largely because a decades-long attack on lead in household paint has faltered. It is a tragic reminder that one of the great public health crusades of the 20th century remains unfinished. - (By Michael Wines, New York Times March 3, 2016 )

Until now!