2009d-054 2010c-152 2012b-417 20thcentury 21stcentury adaptation adolescentdevelopment adolescentmedicine adverseeffects biological developmental developmentalbiology diseases endocrinedisruptingchemicals endocrineglands endocrinetoxicology environmentalexposure environmentalpollution epigenesis etiology evolution(biology) geneexpressionregulation genetic genetics governmentpolicy healthaspects history neurodevelopmentaldisorders neurosecretorysystems neurotoxins phenotypicplasticity physiology physiopathology puberty qu475g466e2009 reproductivetoxicology riskassessment teratogens toxicity toxicology unitedstates wa671 wk102 wk11aa1l285t2010