Pregnant and breast-feeding women are at particular risk from these chemicals, as are children exposed at a time when they are developmentally vulnerable (WHO 2006). Overall, women's generally higher percentage of body fat than men means they carry more lipophilic pesticides (and for longer periods), resulting in greater internal exposure (Watts 2007, Hardell 2003). On the other hand, there are some pesticides to which males are more sensitive or that may have effects specific to their physiologies, such as those that increase risk of prostate cancer (Slotkin et al. These crops are increasingly embedded in industrialized and commercial food systems in several countries.