I really don't like these articles that don't necessarily link to (or even have the same title as) the actual research.<p>I'd be curious if anybody is collecting distribution of the ages of puberty across country and across time. I don't think you can simply look at mean because there can be outliers in both directions.
As a tween, living in the idyllic shadow of high-tension transmission lines, I would frolic in the warm summer rain with warbling gay frogs, sampling a bowl of thick, delicious paint chips, and sipping fluoridated water from a tall glass with a little pink umbrella, and see how I turned out!
> Puberty Hasn’t Changed Since the Ice Age<p>As kids have gotten fat puberty is many years earlier. There is no doubt on this [1]<p>They can't pretend they are talking genetics, i.e. if you made Ice Age kids fat they also would hit puberty earlier, they don't have the data. It's also not how you'd phrase it.<p>> puberty had begun by 13.5 years of age—only slightly later than most humans today.<p>This is years later, for girls is currently less than 10. It's also nonsensical since boys and girls differ.<p>Distribution for girls- <a href="https://www.researchgate.net/figure/Distribution-of-the-age-at-onset-of-puberty-in-the-longitudinal-study-Histogram-and-a_fig1_23194869" rel="nofollow">https://www.researchgate.net/figure/Distribution-of-the-age-...</a><p>Journal Article -<p>> Assessing the age of menarche was challenging due to the paucity of female adolescents, but based on the available evidence, it appears to have occurred between 16 and 17 years of age.<p>It's < 13 now<p>[1] In the interests of not being a biased cunt, I would say it first was pushed lower with better health, which is a great thing, then society kept on going.