Humanity is one step closer to understanding what triggers all the mysterious changes that take place in women during puberty. By looking at genetic variants in over 180,000 women of European descent, an international group of researchers was able to pinpoint which regions of our DNA contribute to the timing of puberty. This, they say, is crucial to our understanding of health problems like Type 2 diabetes and breast cancer, because the timing of a woman’s first period has been linked to both. We identified over 100 regions of the genome that were associated with puberty timing, said John Perry, lead author of the study published in Nature today and a geneticist at the University of Cambridge, in an email to The Verge.
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