Long answer - A National Health and Nutrition Examination Survey (NHANES III) study found detectable levels of BPA in the urine of 93 % of people (6 and up) who were tested. (wellnessmama.com)
June 2017 - An Environmental Defense Fund study found detectable levels of lead in 20 percent of more than 2,000 baby food samples. (thespruce.com)
Siloxanes are also present at detectable levels in land, air, and water, and given their durability, they tend to persist in the environment for a long time. (mindbodygreen.com)