Though the ladies are not discouraged to do so, but the only concern they need to remember is to prevent the pollutants to enter into the body of vulnerable infants. The research is carried out by Phillipe Grandjean who is the adjunct professor of environment health based at the Harvard TH Chan School of Public Health based in Boston in the USA. As per the research, the PFAS can occur in the breast milk, which can occur when serial blood is analysed displaying the buildup in the infants that tend to pile up as they are breast fed. The research study first appeared at the online journal of Environmental Science and Technology.