![]() The new study uses a different method - the authors say a more comprehensive one - of counting lead-induced deaths from CVD than previous studies did.įor example, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD), conducted by the Institute for Health Metrics and Evaluation (IHME) at the University of Washington, finds high blood pressure due to lead exposure caused an estimated 850,000 deaths in 2019. "What we have shown is that no, the problem is far away from solved." Lead's link to cardiovascular healthĮnvironmental lead exposure is known to cause cardiovascular disease, though some of the routes by which it does so are better understood than others. "Many people believe that with the phase-out of leaded gasoline, the problem was solved," says co-author Ernesto Sánchez-Triana, the global lead for pollution management and circular economy at the World Bank (which funded the study, along with the Korea Green Growth Trust Fund). Often associated with gasoline and paint, lead exposure can also be traced to lesser-known sources, such as cookware, water supply lines and electronic waste. The study goes on to provide what its authors say are the first monetary estimates of the total global cost of these lead-attributable deaths, along with the magnitude and cost of IQ loss in children under 5 years old.įor 2019 alone, the study puts the combined toll of cognitive damage and CVD mortality at $6 trillion (based on projected loss of future income and an economic measure known as value of statistical life), with the greatest burden falling on low- and middle-income countries. But lead's pernicious effects don't stop in childhood nor at the brain.Īccording to a new study in the journal Lancet Planetary Health, an estimated 5.455 million adults worldwide died in 2019 from cardiovascular disease (CVD) attributable to lead exposure - a toll more than six times higher than a previous estimate. Its most widely publicized health impact is neurological damage in children, often measured in the loss of intelligence quotient (IQ) points. The toxic metal contaminates air, soil, water and food, and builds up inside bodies over time. ![]() On the World Health Organization's list of 10 chemicals of major public health concern, lead is a familiar villain. A new analysis finds the death toll from lead exposure is about six times higher than the previous estimate. A worker in a Bangladeshi lead mill, without safety protection.
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