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The average level of dicamba herbicide in the urine of pregnant women has increased more than threefold since 2017, the year widespread planting of dicamba-tolerant GMO crops began, Heartland Health Research Alliance (HHRA) reported last week.
Dicamba levels in urine have risen dramatically compared to levels of 2,4-D.
In 2010-2014, the average level of 2,4-D in urine (0.4 ug/L) was twice the average level of dicamba (0.2 ug/L). But by 2020-2022, the average level of dicamba (0.68 ug/L) exceeded the 2,4-D average (0.575 ug/L) by 18%, despite a 45% increase in the average level of 2,4-D in urine in 2020-2022 since 2010-2014.
Both herbicides are classified as “possible” carcinogens and are known to increase the risk of reproductive problems and adverse birth outcomes.