One in three Americans have detectable levels of toxic weedkiller, study finds

…Exposure to high levels of 2,4-D, an ingredient of Agent Orange used against civilians during the Vietnam war, has been linked to cancers including leukemia in children, birth defects and reproductive problems among other health issues. While little is known about the impact of low-level exposure to the herbicide, it does disrupt the endocrine system – a network of glands that make hormones which control growth and development, reproduction, metabolism and our organs and moods…

https://www.theguardian.com/environment/2022/feb/09/toxic-herbicide-exposure-study-2-4-d