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Monthly Archives: September 2025

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Read more about the article Newest results in ‘deep roots’ in the Americas

Newest results in ‘deep roots’ in the Americas

  • Post author:Emil O. W. Kirkegaard
  • Post published:29. September 2025
  • Post category:Economics/Education/Sociology

I am currently collecting reader questions from paid subscribers. Ask your questions here (or email me at emilowk@proton.me). While we wait for our upcoming Admixture in the Americas 2.0 (maybe…

Continue ReadingNewest results in ‘deep roots’ in the Americas
Read more about the article There is no autism epidemic, and autism is not caused by paracetamol anyway

There is no autism epidemic, and autism is not caused by paracetamol anyway

  • Post author:Emil O. W. Kirkegaard
  • Post published:24. September 2025
  • Post category:Medicine

In the latest genius move, the Trump administration has claimed that the commonly used painkiller paracetamol (Tylenol, Panadol, acetaminophen, various other names) causes autism. As we have seen however, there…

Continue ReadingThere is no autism epidemic, and autism is not caused by paracetamol anyway
Read more about the article Sibling admixture regression in Mexico

Sibling admixture regression in Mexico

  • Post author:Emil O. W. Kirkegaard
  • Post published:22. September 2025
  • Post category:Differential psychology/psychometrics/Genomics

A week ago, a landmark study dropped: Wang, S., Berumen, J., Vergara-Lope, A., Baca, P., Barrera, E., Rivas, F., ... & Visscher, P. M. (2025). Direct effect of genetic ancestry…

Continue ReadingSibling admixture regression in Mexico
Read more about the article US BMI/obesity declined, but was it due to GLP-1?

US BMI/obesity declined, but was it due to GLP-1?

  • Post author:Emil O. W. Kirkegaard
  • Post published:21. September 2025
  • Post category:Medicine

In tech circles, there has recently been many people cheering for the apparent success of Ozempic-like drugs (GLP-1 agonists) in finally reducing the American obesity rate. More and more variants…

Continue ReadingUS BMI/obesity declined, but was it due to GLP-1?
Read more about the article Why do lesbians divorce more often?

Why do lesbians divorce more often?

  • Post author:Emil O. W. Kirkegaard
  • Post published:17. September 2025
  • Post category:Differential psychology/psychometrics

Yes I know you are waiting for the exposition on the new admixture results (I too am excited), but first something else. I, Hypocrite has this viral post on X:…

Continue ReadingWhy do lesbians divorce more often?
Read more about the article Ask me questions 2 (paid subs)

Ask me questions 2 (paid subs)

  • Post author:Emil O. W. Kirkegaard
  • Post published:10. September 2025
  • Post category:Meta/Personal/Science

Back in February, I ran the first ask me questions post for paid subs. I guess it's time for another one. Hopefully, you guys have come up with some new…

Continue ReadingAsk me questions 2 (paid subs)
Read more about the article Who has how much dysgenics? The worldwide picture

Who has how much dysgenics? The worldwide picture

  • Post author:Emil O. W. Kirkegaard
  • Post published:7. September 2025
  • Post category:Demographics/Forecasting/intelligence / IQ / cognitive ability

In 2024, Seb Jensen published a report over at Hanania's CSPI (Are We Getting Dumber?) summarizing his findings concerning the speed of global dysgenics. Due to various reasons, the formal…

Continue ReadingWho has how much dysgenics? The worldwide picture
Read more about the article Indian IQ in the USA: GSS data

Indian IQ in the USA: GSS data

  • Post author:Emil O. W. Kirkegaard
  • Post published:1. September 2025
  • Post category:Immigration/intelligence / IQ / cognitive ability

Aaron has a new short piece on Indian IQ in the USA using the GSS. I decided to replicate this analysis with better methods. The GSS is somewhat of a…

Continue ReadingIndian IQ in the USA: GSS data
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