推荐 "Girls on the Edges"

Girls on the Edge: The Four Factors Driving the New Crisis for Girls Sexual Identity, the Cyberbubble, Obsessions, Environmental Toxins

chemicals act like a female hormone to induce early puberty:
BPA: bisphenol A (plastic label 7): make hard plastic and resin inside cans
Phthalate : make lotions and creams softer
PETE: Polyethylene terephthalate ethylene: soft plastic,plastic label with "1"

一个非常全面的书

另外有两本书
Boys Adrift: The Five Factors Driving the Growing Epidemic of Unmotivated Boys and Underachieving Young Me
Why Gender Matters: What Parents and Teachers Need to Know about the Emerging Science of Sex Differences