Overall, compared to malnourished and healthy adolescents, well nourished and healthy adolescents experience puberty earlier (Saint George, Williams, and Silva, 1994). The social environment can also affect the onset of adolescence, at least for girls. Menopause occurs in girls with chronic stress or severe punishment or depression (James et al., 2012). When young girls experience chronic social emotional stress, this releases hormones that trigger menstruation.
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