There is evidence of early puberty leading to increased risk of obesity, type 2 diabetes, heart disease and cancer — particularly breast cancer. Yet the higher risks of earlier developers ending up with breast cancer or the other diseases are a significant concern, not to mention other psychological and physical problems that can crop up. Until now it had not been clear how these cells arrive at skinny teen girls with large breasts correct place and skinny teen girls with large breasts. What our research has revealed is the role played by an immune molecule called ACKR2 in this process. Breast cancer by Shutterstock. Community Community standards Republishing guidelines Friends of The Conversation Research and Expert Database Analytics Events Our feeds Donate Company Who we are Our charter Our team Our blog Partners and funders Resource for media Contact us Stay informed and subscribe to our free daily newsletter and get the latest analysis and commentary directly in your inbox.
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For girls to begin to develop breasts, a thin layer of specialised cells called epithelial branches must form within the tissue. Until now, unfortunately, scientists have poorly understood the processes that make some girls develop younger than others. Future responses Doctors currently only slow down the onset of puberty in children if it starts before the age of seven and if it is caused by a hormonal imbalance. The branches depend on certain hormones but crucially also immune cells called macrophages, which help them change during each process. In addition to potential feelings of isolation and embarrassment, early puberty is linked to earlier sexual activity, which can lead to emotional damage as well as unwanted pregnancies and sexually transmitted diseases. Republish our articles for free, online or in print, under Creative Commons licence.
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