Girls beginning puberty almost a year earlier than in 1970s
by Nicola Davis from Science | The Guardian on (#4Z59K)
Onset of glandular breast tissue development has shifted by three months per decade
Girls are beginning puberty almost a year earlier than women 40 years ago, according to research.
Scientists have found the onset of development of glandular breast tissue has crept forwards by about three months per decade since the late 1970s.
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