The scientific literature has established that, when possible, breast milk offers terrific advantages to children, so it was the perfect way for anti-science groups to promote fear and doubt about a commonly used pesticide called glyphosate, which has been used by home gardeners for decades under the name Roundup. Though the U.S. Environmental Protection Agency has never found reason for concern, in 2014 an advocacy group called Moms Across America called into question the safety and healthfulness of breast milk. It had pesticides in it, they claimed. Read more.