Study: Lead from Gasoline Linked to Anxiety, Depression, ADHD

Generations of the general population have likely been negatively impacted by lead in gasoline, a new study published Wednesday in the Journal of Child Psychology and Psychiatry revealed.

The study examined the human mental health cost of exposure to lead in gasoline during the childhood years between the date range of 1940-2015. Lead was banned from automobile fuel in 1996.

Findings showed the national population experienced an estimated 151 million excess mental health disorders attributable to exposure to lead from car exhaust during children’s early development. This resulted in millions of excess cases of psychiatric disorders over the last 75 years.

According to the abstract: “Investigation of specific disorder-domain symptoms identified a 0.64-standard-deviation increase in population-level Internalizing symptoms and a 0.42-standard-deviation increase in AD/HD symptoms. Population-level Neuroticism increased by 0.14 standard deviations and Conscientiousness decreased by 0.20 standard deviations. Lead-associated mental health and personality differences were most pronounced for cohorts born from 1966 through 1986 (Generation X).”

The abstract continued, “Lead’s potential contribution to psychiatry, medicine, and children’s health may be larger than previously assumed. …Lead exposure in early life can be particularly disruptive to brain development, resulting in lowered cognitive ability, fine motor skills, and emotional regulation capacity.”

“Exposure to even small amounts of lead can harm your child. Children younger than six years of age are most vulnerable to lead poisoning. If you are pregnant or breastfeeding, lead can harm your baby,” posted the Centers for Disease Control and Prevention (CDC).

While lead poisoning from this study cannot be reversed, experts say knowledge is power. Read more about protecting yourself and loved ones from lead poisoning.

Sarah Toce

Screenwriter & Journalist | Sarah Brusig (Toce) is an appointed member of the King County Women's Advisory Board and an elected precinct committee officer (PCO) in Burien, WA. As a healthcare worker, Sarah is represented by SEIU 1199NW. In 2010, Sarah created the online news source The Seattle Lesbian, LLC, which still receives upward of 100,000 readers per month. A recipient of McCormick's New Media Women Entrepreneur Award in 2012, Sarah was invited to the White House by President Barack Obama in 2015. That same year, GO Mag recognized Sarah as one of their Red-Hot Entrepreneurs in media.​ In 2016, the National Diversity Council honored Sarah with their LGBT Leadership Award. Congresswoman Pramila Jayapal (D-WA) recognized Sarah's advocacy work with the Community Builder Award in 2017, the same year Curve Magazine named Sarah one of their Top Women in Media & Publishing. Sarah served a two-year term as president of the Society of Professional Journalists - Western Washington Chapter beginning in 2018 and was elected Communications Vice Chair of the King County Democrats in 2021.

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