Early Puberty in Young Girls on the Rise

Early Puberty in Young Girls on the Rise: "The arrival of puberty often surprises parents and children but it's especially shocking when it happens to 2nd and 3rd graders. Breast development - the first stage of puberty - normally begins in girls around 10 years of age but a new study published in the journal Pediatrics (August 2010), indicates that being overweight, obese, or exposed to certain chemicals may be affecting development."