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Lead exposure in the 20th century may have led to mental health issues in Americans, a new study suggests. Researchers from Duke University and Florida State University studied the impact of lead in gasoline, which was first added in 1923 to help keep car engines healthy. (It was later banned from all U.S. vehicles in 1996.) The use of lead gas is said to have peaked from the mid-1960s through the mid-1970s. The findings revealed that childhood exposure to car exhaust from leaded gas resulted in an imbalance of mental health in the U.S., which made “generations of Americans more depressed, anxious and inattentive or hyperactive,” according to a Duke press release. The study, published in the Journal of Child Psychology and Psychiatry, attributed an estimated 151 million cases of psychiatric disorders over the past 75 years to leaded gas exposure in American children. Americans born before 1966 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,” the researchers wrote. ‘No safe level’ Lead is “neurotoxic” and can erode brain cells and alter brain function – therefore, there is “no safe level of exposure at any point in life,” according to Duke. While young children are especially vulnerable to the effects, the researchers noted that “no matter what age, our brains are ill-equipped for keeping lead toxicity at bay.” Lead study author Aaron Reuben, PhD, based in North Carolina, wrote in a statement that humans are “not adapted to be exposed to lead at the levels we have been exposed to over the past century.” He added, “We have very few effective measures for dealing with lead once it is in the body, and many of us have been exposed to levels 1,000 to 10,000 times more than what is natural.” ‘Clinically concerning’ The researchers analyzed historical data on childhood blood-lead levels, leaded gas use and U.S. population statistics, determining that more than 170 million Americans had “clinically concerning levels” of lead in their blood as children as of 2015. Lead exposure resulted in greater rates of mental disorders like depression and anxiety, but also more “mild distress that would impair quality of life.” “We saw very significant shifts in mental health across generations of Americans — meaning many more people experienced psychiatric problems than would have if we had never added lead to gasoline,” co-author Matt Hauer said in a statement. This likely resulted in lower IQs, mental health problems and other long-term health complications, such as cardiovascular disease, the study suggests. In an interview with Fox News Digital, Reuben reiterated that mental health in America was “likely significantly influenced by Americans’ exposure to lead over the past century.” He said, “Declining lead exposures were likely met by improving mental health. Lead has played a larger role in our mental health than previously thought.” While the researcher said he was not surprised to find that lead caused harm, he was surprised by the “magnitude” of its effect. “We assume that our ‘lead problem’ was solved in the 1970s and 1980s, but that was just the start of solving the problem,” he said. “There are millions of Americans alive today who had extremely high lead exposure as children. How have those exposures influenced the trajectories of their lives? This is one thing we set out to answer.” Reuben pointed out some limitations of the study, including that it only included two cohorts and that it did not study exposures from other sources besides gasoline. “As time goes on, we hope that more lead-mental health studies become available for us to improve our estimates based on better lead-harm curves,” he said. “Future studies should ideally be able to incorporate lead exposure from water and paints.” The expert urged the public to take lead exposure seriously by removing hazards that still exist in some paint, fuel, batteries and other mediums. The U.S. Environmental Protection Agency (EPA) issued a regulation in Oct. 2024 giving cities 10 years to replace any remaining lead plumbing. The agency also took action in Jan. 2024 to lower the levels of lead in soil at residential homes across the country. In an interview with Fox News Digital, California child psychologist Dr. Michele Borba noted that the current youth mental health crisis in America has been largely attributed to social media, but that this new study on lead exposure explores a “new realm” of what could be behind deteriorating mental health. “It’s an unusual and fascinating reason that most of us have never been prepared for or even thought of – but it isn’t just children’s mental health and well-being at stake,” she said. “It’s an unusual and fascinating reason that most of us have never been prepared for or even thought of – but it isn’t just children’s mental health and well-being at stake,” she said.Why we can’t VERIFY a chart showing UnitedHealthcare denies more claims than other insurers
Stock market today: Dow hits another record as stocks riseTyrese Hunter tossed in a game-high 26 points to lead Memphis to a 99-97 upset victory over No. 2 UConn on Monday in the first round of the Maui Invitational in Lahaina, Hawaii. Hunter, who played at Iowa State and Texas before transferring to Memphis, made eight field goals with 7-of-10 3-point shooting. The Tigers (5-0) connected on 12 of their 22 3-point attempts in the win. UConn's Hassan Diarra made a free throw to cut the Memphis lead to 99-97 with 2.2 seconds left. He intentionally missed the second free throw and collected the loose ball, but his desperation shot was off the mark. It was 92-92 when UConn's Liam McNeeley was called for an offensive foul with 40.3 seconds left. UConn coach Dan Hurley received a technical for arguing the foul call, and PJ Carter made all four free throws to give the Tigers a four-point lead. Memphis, which squandered a 13-point lead with four minutes to play in regulation, received 22 points from PJ Haggerty, 19 from Colby Rogers and 14 from Dain Dainja. Memphis will play the winner of Monday night's game between Colorado and Michigan State in Tuesday's semifinals. UConn will face the loser of that contest. Tarris Reed Jr. had a team-high 22 points and a game-high 11 rebounds for UConn (4-1) before he fouled out with 3:18 to play. He made 10 of his 13 field goal attempts. Alex Karaban added 19 points for the Huskies. Jaylin Stewart scored a career-high 16 points, Diarra had 12 and McNeeley added 10. UConn trailed 82-79 after Diarra made two free throws with 24.2 seconds to play in regulation. The Huskies then forced a turnover and tied the game on a 3-pointer by Solo Ball with 1.2 on the clock. Although Memphis shot 56.5 percent from the field (13 for 23) and 50 percent from 3-point territory (5 for 10) in the first half, the game was tied 40-40 after 20 minutes. Neither team led by more than six points in the half. UConn received 29 points from its bench in the first half. Reed scored 15 of those points and Stewart supplied the other 14. --Field Level MediaWhy is ChatGPT's Santa Mode only for ages 13 and up?
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