It may well be worth checking the ingredients in many of the products you use every day:
“Originally developed as a pesticide, tricolsan has also been added to common household items such as bedding, clothing, toys and trash bags, and has been for more than 40 years. Trace amounts of the chemical have been detected in waterways, as well as a wide variety of living organisms. In tests on humans it shows up in urine, blood, even breast milk. It is so prevalent that a survey by the U.S. Centers for Disease Control and Prevention found the chemical present in the urine of 75 percent of Americans over the age of 5.
This latest study was published in the Proceedings of the National Academy of Science.”