Girls beginning puberty almost a year earlier than in 1970s

Onset of glandular breast tissue development has shifted by three months per decadeGirls 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.Continue reading...
Source: Guardian Unlimited Science - Category: Science Authors: Tags: Children Science Menstruation Society World news UK news Global development Obesity Source Type: news