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Crémieux Profile picture
@cremieuxrecueil
Mar 12, 2025 • 9 tweets • 3 min read • Read on X
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Manhattan is arguably America's most iconic city, and more arguably, its only 'real' city.

But its own laws have made the buildings that make it so iconic illegal to build more of🧵 Image
Many of the existing buildings in Manhattan that you couldn't make today are too tall by current standards. Image
Many of the existing buildings in Manhattan that you couldn't make today have too many apartments by current standards. Image
Many of the existing buildings in Manhattan that you couldn't make today have too much space dedicated to business by current standards. Image
Many of the existing buildings in Manhattan that you couldn't make today have building footprints that are too tall by current standards. Image
But the buildings that make New York tall, dense, and filled with architectural juxtaposition also made New York so iconic, they made it more livable than it would've been otherwise, and they made it great.

The new laws simply don't respect the old vision for New York. Image
This problem isn't unique to New York either.

In tons of American cities, existing builds are illegal by new standards that are generally not justified by any sort of safety or quality concerns, but which instead are driven by local interest groups and dumb policymakers.
For example, in San Francisco, 54% of all homes that exist there are illegal to build today! Image
Sources:

sfzoning.deapthoughts.com/illegal_homes.…

nytimes.com/interactive/20…

nytimes.com/interactive/20…

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More from @cremieuxrecueil

Crémieux Profile picture
Mar 23
Why have testosterone levels been rising over time?

The testosterone levels of American men are up compared to what they used to be, but no one has a good explanation.

Let's look through some possibilities🧵 Image
Is it perhaps because of a racial composition change?

No.

Different races tend to have similar testosterone levels and trends within groups are similar. Image
Is it perhaps because of age composition change?

No.

The decline by age is much more graceful than people tend to suspect, and within each age group, levels are up without survey weighting, and in nearly all with it, they're still up. Image
Read 34 tweets
Crémieux Profile picture
Mar 13
Today's deregulatory news is pretty big.

The White House is taking aim at the housing shortage by deregulating housing construction🧵 Image
A big part of the American Dream was created by a massive housing boom when the troops came home

Since the Great Financial Crisis, practically everywhere has reduced the number of permits they issue for new housing

This has resulted in housing cost growth outpacing wage growth: Image
To revive the American Dream, we need to build more homes.

If we want to build more homes, we'll have to overcome a lot of different regulatory burdens.

One step is to get rid of federal regulatory burdens that straddle homebuilders and owners with lots of random costs. Image
Read 10 tweets
Crémieux Profile picture
Mar 13
In my latest article, I documented that the only RCT for functional medicine methods appears fraudulent🧵

Before getting into it, what's functional medicine?

It's a pseudoscience used to bilk patients by getting them on an unending cycle of tests, supplements, and more tests. Image
Functional medicine's practitioners claim that they can reveal and treat so-called "root causes" of people's health problems

These are proposed to be things like gut health, toxin burdens, and various chemical and hormonal imbalances

They find these things with unproven tests Image
If you run enough tests, you will be able to find something that looks 'off' about a patient, and if you're a functional medicine doctor, that's your 'A-ha!' moment, even if—as is usually the case—the result is just a false-positive and treating it is unlikely to do anything. Image
Read 15 tweets
Crémieux Profile picture
Mar 12
What you see here is called "lying"

It's what happens when someone's anti-competitive protections are under attack

CON laws are insane. Basically:

If you want to open a new medical practice somewhere, you have to get your potential competitors to sign off, saying you're needed Image
If you want to add beds to a hospital, build facilities, purchase diagnostic scanners, but you live somewhere with CON laws, then you have to prove you're not creating competition for other medical facilities in the area, which is often the whole state.

No. Competition. Allowed. Image
The idea behind these laws is that people will spend excessively on healthcare, so to combat that, we'll have people report if there's more spending needed before approving it.

'A bed built is a bed filled' is the old adage.

But no one considered the obvious bad incentives. Image
Read 7 tweets
Crémieux Profile picture
Mar 11
Nutrition science is the area of science that's suffered the most in the replication crisis. It is a graveyard of theories and pseudoscientific bullshit.

Now:

The HHS is going to make doctors to sit through 40 hours of classes where they'll have to take that bullshit seriously. Image
This reads like a list of the things that fared the worst in all of nutrition science and stuff with NO EVIDENCE.

When I read through this, my mouth was agape.

Whoever wrote this trash needs fired for incompetence. Mentally retarded people should not hold keep government posts.
'What did you learn in your mandatory nutrition misinformation class?'

'Well, if a patient comes in with a migraine, I'm supposed to sell them a WHOOP bracelet or an Oura ring so I can help them figure out their health age.'
Read 12 tweets
Crémieux Profile picture
Mar 10
You should be flexible and you should be strong.

Strength training is a highly effective way to improve your flexibility, and I've made a graphic to put this into understandable terms: Image
This is from a meta-analysis of strength training trials.

What makes that so useful is that there's major publication bias for strength outcomes (pictured).

But, since authors weren't looking at it, there's no publication bias for flexibility outcomes.Image
Studies made their way into this meta-analysis because they had a flexibility outcome, but they made their way into the literature because they showed positive strength results.

This could indirectly biased the flexibility results because of selection on a correlated outcome.
Read 7 tweets

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