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De Groene CupImpacts of a <a href="https://mastodon.degroenecup.nl/tags/Puberty" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Puberty</a> and <a href="https://mastodon.degroenecup.nl/tags/Period" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Period</a> education intervention among 9- to 12-year-old girls in the New York metropolitan area: a randomized trial.Knowledge scores were significantly higher among girls of pre-menarche status compared to girls who had already experienced their <a href="https://mastodon.degroenecup.nl/tags/FirstPeriod" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FirstPeriod</a> (p = 0.05).<a href="https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-024-21167-4" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bmcpublichealth.biomedcentral.com/articles/10.1186/s12889-024-21167-4</a><a href="https://mastodon.degroenecup.nl/tags/Menstruation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Menstruation</a> <a href="https://mastodon.degroenecup.nl/tags/Menarche" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Menarche</a> <a href="https://mastodon.degroenecup.nl/tags/MenstrualHealth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MenstrualHealth</a> <a href="https://mastodon.degroenecup.nl/tags/MenstrualHygieneManagement" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MenstrualHygieneManagement</a>

Radical AnthropologyExciting new paper here assessing ages for <a href="https://c.im/tags/puberty" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#puberty</a> onset and <a href="https://c.im/tags/menarche" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#menarche</a> among <a href="https://c.im/tags/UpperPalaeolithic" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UpperPalaeolithic</a> <a href="https://c.im/tags/huntergatherers" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#huntergatherers</a> (from Russia, Czechia, Italy).'Our results revealed that while puberty had begun by 13.5 years of age for the majority of individuals, there was a lot of variability, with the adolescents from Arene Candide (AC1 and AC16), both aged around 16 years when they died, taking several years longer to progress through puberty than their peers. 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. For some, full adulthood had been achieved by 17–22 years, similar to the patterns seen in modern wealthy countries and in advance of historic populations living in urbanized environments.'<a href="https://c.im/tags/adolescence" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#adolescence</a> <a href="https://c.im/tags/lifehistory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lifehistory</a> <a href="https://c.im/tags/humanevolution" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#humanevolution</a> <a href="https://c.im/tags/anthropology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#anthropology</a> <a href="https://c.im/tags/archaeology" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#archaeology</a> <a href="https://c.im/tags/burials" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#burials</a><a href="https://www.sciencedirect.com/science/article/pii/S004724842400085X?dgcid=raven_sd_via_email" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.sciencedirect.com/science/article/pii/S004724842400085X?dgcid=raven_sd_via_email</a>

De Groene CupWat is een goede leeftijd om voor het eerst met je kinderen over de <a href="https://mastodon.degroenecup.nl/tags/Menstruatie" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Menstruatie</a> te praten? <a href="https://mastodon.degroenecup.nl/tags/Menarche" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Menarche</a>

Radical AnthropologyGreat blog from <a href="https://c.im/tags/JohnHawks" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JohnHawks</a> on new lines of evidence for key stages of <a href="https://c.im/tags/Neanderthal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Neanderthal</a> <a href="https://c.im/tags/lifehistory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#lifehistory</a> (menarche, births, death)from <a href="https://c.im/tags/Krapina" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Krapina</a> dental cementum samples. Looks like very few individuals survived past 30 years which is quite extraordinary (not really sustainable?) for such a large-brained human. The cementum is plausibly giving a record of stress that could correspond to <a href="https://c.im/tags/menarche" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#menarche</a> in two individuals at 15.5 yrs and 16.6 yrs, not very different from modern hunter-gatherers. If that were representative (but Krapina is not nec typical, very fragmentary sample, with something odd happening to these people) one implication would be very few surviving maternal grandmothers. That is potentially a critical difference compared with <a href="https://c.im/tags/Homosapiens" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Homosapiens</a>. It could also explain a Neanderthal tendency for 'patrilocality' or females moving out to join a group where males were related. There is some genetic evidence to support that. <a href="https://johnhawks.net/weblog/krapina-age-at-death-cementum-menarche/" rel="nofollow noopener noreferrer" target="_blank">https://johnhawks.net/weblog/krapina-age-at-death-cementum-menarche/</a>

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