Endocrine Disruptors

Endocrine disrupting chemicals affect normal hormone responses in both humans and wildlife. Concern about these chemicals has increased worldwide as studies have suggested that these chemicals may be associated with global increases in testicular cancer, regional declines in sperm counts, altered sex ratios in wildlife populations, increases in the incidence of breast cancer and endometriosis, and accelerated puberty in females. 

Molecular mechanism of estrogen hormone action.