Exposure to the weed-killer 2,4-D is very common. This pesticide has been used for many years starting with its use in Agent Orange decades ago, as an ingredient in the commonly used Weed and Feed for lawns, even on genetically engineered crops, and on and on. While the pesticide industry tells you it's safe, many studies have found that exposure to it can cause all sorts of health harms.
A recent study found that exposure to 2,4-D is linked to thyroid cancer in rural counties (where the pesticide is used the most). The researchers think that this may be occurring because 2,4-D is "an endocrine disruptor and may be toxic to the thyroid gland". They also point out that biomonitoring studies find that in rural agricultural areas people (especially women and children) have higher amounts of 2,4-D in their urine.
As mentioned in the following article, other studies also find that 2,4-D exposure has thyroid effects. It also points out that one study found 2,4-D in the bodies of 1 in 3 Americans, and another study found the presence of both 2,4-D and dicamba (both herbicides) in all pregnant midwest women studied in 2020-2022.
While the United States EPA does not view 2,4-D as carcinogenic (cancer-causing), other countries and international organizations do.
Bottom line: To lower your own 2,4-D exposure, eat as many organic foods as possible, and don't use pesticides on your lawn. Organic crops and organic lawn care does not allow the use of 2,4-D.
Excerpts from Beyond Pesticides: Thyroid Cancer Associated With Exposure to the Weed Killer 2,4-D, Study Finds
In a study of the herbicide 2,4-D and thyroid cancer in the U.S., researchers find that 2,4-D exposure is significantly associated with greater thyroid cancer incidence in rural counties. Utilizing incidence rates for thyroid cancer for 2017–2021 through the Centers for Disease Control and Prevention (CDC) database and county-level 2,4-D use data from the U.S. Geological Survey, this research, published in Endocrines, highlights a link between pesticide exposure—in areas where agricultural pesticide use is most concentrated—and disproportionate cancer risks. ...continue reading "A Commonly Used Pesticide Is Linked to Thyroid Cancer"
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