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Crémieux

@cremieuxrecueil

Apr 11

Many women have found that they get pregnant more easily after getting on GLP-1 drugs.

But women aren't the only ones noticing improved fertility:

There's now clinical trial evidence that GLP-1s improve sperm parameters.

The largest clinical trial published so far on this subject came out in 2023. It involved 110 men aged 18-35 with metabolic hypogonadism being sorted into one of three conditions:

A: The group seeking fatherhood.
B: The group not seeking fatherhood.
C: The group of already-dads.

The men in Group A were explicitly given the fertility drugs urofollitropin three times a week and human chorionic gonadotropin twice a week.

Group B received the GLP-1 drug liraglutide.

Group C received daily transdermal testosterone.

This goes on for four months.

Read 21 tweets

Crémieux

@cremieuxrecueil

Apr 9

A brilliant new paper found that brain drain can literally kill🧵

The paper is all about what happened when Sweden's doctors decided to pack up their stethoscopes and scalpels and go to work in another country.

The story begins with the curious economic divergence of Norway and Sweden.

Over time, Norway has become vastly richer than Sweden primarily because it's become Europe's premiere petrostate.

With surging oil prices, their GDP leaped ahead at a staggering pace:

With rising wages due to the oil sector, wages elsewhere in the economy have to rise, even in sectors that didn't get more productive

If those wages didn't rise, no one would want to do those jobs: Butlers in different countries equally butle, but are paid very different amounts

Read 16 tweets

Crémieux

@cremieuxrecueil

Apr 9

https://twitter.com/Jabaluck/status/1909751769711640615

Mathematicians in Renaissance Europe partook in academic duels to win one another's respect, students, assets, and academic positions.

A duel like this is how the cubic equation became known—the first real algebraic discovery since the Babylonians.

Let's talk angry Italians🧵

https://twitter.com/Jabaluck/status/1909751769711640615

The cubic equation was sought after by numerous ancient civilizations, from India to Greece, and despite attempts, a solution was never found

You're probably familiar with these equations, but they're of the form x^3 + cx = d

Without a squared term, we have a "depressed cubic"

The mathematician Scipione del Ferro, a professor at the University of Bologna, found a way to solve these cubic equations around 1510.

And then he kept the method a complete secret until his death bed.

Read 22 tweets

Crémieux

@cremieuxrecueil

Apr 8

I've written two articles on this topic.

I think I have a via negativa answer—one based on what does not cause the effect.

Firstly, the birth order effect shows up from the first surviving child. If a previous sibling died young, the "social firstborn" has the advantage

Second, even in large samples, there's cross-cultural inconsistency.

In this case, researchers looked at immigrants to Norway and found that in some cases, their birth order effects were null or went the opposite direction.

Third, the birth order effect shows up with adoptees.

In some cases, adoptees' "birth orders" (i.e., adoption orders) are misaligned with ages due to late adoption. In those cases, the effect still follows the "correct" order:

Read 12 tweets

Crémieux

@cremieuxrecueil

Apr 7

Researchers put together an incredible workplace wellness program that provided thousands of workers with paid time off to receive biometric health screening, health risk assessments, smoking cessation help, stress management, exercise, etc.

What did this do for their health?🧵

So, for starters, this program had a large sample and ran over multiple years.

Because of it, we have evidence on what people do with clinical health info, with exercise encouragement and advice, with nutritional knowledge, through peer effects, and so on.

Participants in the treatment group were prompted to participate with cash rewards ranging from $50 to $350.

Go to screening? Earn some money, help yourself by bolstering your knowledge about yourself and potentially improving your health.

What could be simpler?

Read 21 tweets

Crémieux

@cremieuxrecueil

Apr 6

If the Trump administration wants to reshore economic activity, they need to increase the throughput of American ports or America will end up bottlenecked there.

They should subsidize port automation and crush the longshoremen union to make this happen.

Think about the effects:

Another thing to keep in mind: knock-on effects!

If ports become more efficient, horrid arrangements like going to more distant ports to avoid waiting would come to an end, or at least be reduced in their extent:

And one more thing to keep in mind:

Skeptics of port automation often cite the need for higher export volumes to justify port automation. Without that, it can take a long time to pay off, and the benefits over a non-automated port might be too small, at least with current tech.

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