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The “Schizophrenia is 80% Heritable” Fallacy: Deconstructing a Twin Study Meta-Analysis - Jay Joseph, 2026 The mainstream psychiatry literature contains the common and mostly unchallenged claim that schizophrenia is roughly 80% heritable. A 2003 twin study meta-analy...

Time to reject the common claim that schizophrenia/psychosis is "80% heritable." My new (paywalled) article in the Review of General Psychology:

"The 'schizophrenia is 80% heritable' fallacy: Deconstructing a twin study meta-analysis."

doi.org/10.1177/1089...

1 day ago 2 0 0 0

Dropsite reports “Black rain” + “nuclear winter” caused by Israeli strikes on oil depots in Tehran

- chemicals are producing acidic precipitation that causes skin burns + severe lung damage on contact

- the rain is corrosive + could damage structures

- heavy metals leaking into soil/water systems

6 days ago 646 436 24 69

I imagine that this all looks like a long-awaited dream come true for the apocalyptic millenarianists in the Trump admin. In their eyes, the more hellish, the better.

6 days ago 51 11 2 0

This is disgusting, but also a tacit admission of just how horrible and indefensible it is.

6 days ago 3,479 599 159 26

It is still happening. No country is stepping in. Cuba has helped so many movements and people around the world and they are being abandoned to die

1 week ago 2,599 915 25 6
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Had to doublecheck the date on this

1 week ago 11,708 3,316 363 233
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Jewish Voice for Peace denounces the immoral and illegal war on Iran launched by the United States and Israel last night. These attacks expand the endless wars that could destroy the lives of tens of millions of people.

2 weeks ago 366 135 5 5

Today’s military strikes on Iran — carried out by the United States and Israel — mark a catastrophic escalation in an illegal war of aggression. Bombing cities. Killing civilians. Opening a new theater of war.

2 weeks ago 17,279 3,600 185 218

For those still interested, "The Gene" by Siddhartha Mukherjee (2016) tells a false story about twin research and the genetics of psychiatric conditions. See my 2019 article.

www.madinamerica.com/2019/12/twin...

2 weeks ago 0 0 0 0

From the occupied West Bank to Gaza, the Israeli government is committing ethnic cleansing. We will not look away.

2 weeks ago 32 8 1 0

Inspired, in part, by the founder of the psychiatric genetics field, Ernst Rüdin, and his followers in the "Munich school" of psychiatric genetics. At that time, it was the only school of psychiatric genetics.

bsky.app/profile/jayj...

3 weeks ago 1 0 0 0

Regime following the eugenics of F. Galton and followers such as psychologist R. Cattell in his 1973 book "Beyondism." The APA tried to give Cattell a 1997 "Lifetime Achievement Award," despite his having called for "phasing out" allegedly "moribund cultures." www.insidehighered.com/news/2009/03...

1 month ago 1 0 0 0
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Epstein couldn't stop emailing people about eugenics In the latest files, the trafficker gives it a Silicon Valley–pilled name: "genetic altruism."

Because they undoubtedly also believed that "anti-social behavior" and "sociopathy" are as "heritable" as IQ, did Epstein and his politician/billionaire/royal friends worry about passing their own genes down to the next generation?

www.motherjones.com/politics/202...

1 month ago 0 0 0 0

🇻🇪 Venezuelan oil to Israel?

The U.S. is seizing Venezuelan oil through intermediary companies & taking sales outside of Venezuelan control.

Now, they are hijacking shipments headed to Cuba & redirecting them to fuel genocide in Gaza against the will of the Venezuelan people.

1 month ago 37 19 0 2
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🇨🇺 The US is trying to starve 10 million Cubans.

We are bringing 2,500lbs of lentils to Cuba to break this criminal and genocidal blockade.

LIFT THE BLOCKADE ON CUBA NOW

1 month ago 86 45 4 2
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From blackouts to food shortages: How US blockade is crippling life in Cuba US pressure pushes island nation's 11 million people to the brink as Cuba imposes emergency measures amid fuel crisis.

The US is starving Cuba to death

www.aljazeera.com/economy/2026...

1 month ago 267 147 4 12

1990s books and articles by William H. Tucker are outstanding, and include some interesting insider information.

1 month ago 0 0 0 0
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I can get back with more later. For now, here is a 1942 IQ test used by doctors in Germany to support the "clinical execution" of an 11-year-old German boy. From the 1994 edited book, "Cleansing the Fatherland" (G. Aly et al.).

1 month ago 0 1 2 0
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World turned upside down: 1) Jews protesting genocide are "anti-Semites"; 2) U.S. citizens trying to stop ethnic cleansing are "terrorists"; and 3) "The Mismeasure of Man" is "an example of pseudoscience about race and IQ," and (presumably) Murray's "The Bell Curve" isn't.

1 month ago 6 5 0 0
Bruce Springsteen - Streets Of Minneapolis (Official Audio)
Bruce Springsteen - Streets Of Minneapolis (Official Audio) YouTube video by Bruce Springsteen

I wrote this song on Saturday, recorded it yesterday and released it to you today in response to the state terror being visited on the city of Minneapolis. It’s dedicated to the people of Minneapolis, our innocent immigrant neighbors and in memory of Alex Pretti and Renee Good.

Stay free

1 month ago 97,504 40,876 4,303 5,361

So the homicide was premeditated. Planned in advance. Agents knew they wanted to kill him, so they prepared for the opportunity and took it.

Thanks for helping NYT.

1 month ago 1,228 337 24 14
Bruce Springsteen - Streets Of Minneapolis (Official Audio)
Bruce Springsteen - Streets Of Minneapolis (Official Audio) YouTube video by Bruce Springsteen

This Bruce anti-ICE anthem is gonna leave a mark:

1 month ago 415 133 8 14
ICE OUT 0F EVERYWHERE
JOIN OUR NATIONAL DAYS OF ACTION IN SOLIDARITY WITH MINNESOTA.
ABOLISH ICE NOW!
JAN 30
BLACKOUT-DON'T WORK. DON'T SHOP. SHUT DOWN THE ECONOMY.
JAN 31
PROTEST
HIT THE STREETS.
MAKE NOISE
ENOUGH IS ENOUGH.

ICE OUT 0F EVERYWHERE JOIN OUR NATIONAL DAYS OF ACTION IN SOLIDARITY WITH MINNESOTA. ABOLISH ICE NOW! JAN 30 BLACKOUT-DON'T WORK. DON'T SHOP. SHUT DOWN THE ECONOMY. JAN 31 PROTEST HIT THE STREETS. MAKE NOISE ENOUGH IS ENOUGH.

ICE OUT OF EVERYWHERE
JAN 31
PROTEST.
HIT THE STREETS.
MAKE NOISE.
ENOUGH IS ENOUGH.

ICE OUT OF EVERYWHERE JAN 31 PROTEST. HIT THE STREETS. MAKE NOISE. ENOUGH IS ENOUGH.

ICE OUT!
NATIONWIDE SHUTDOWN!
NO WORK. NO SCHOOL.
NO SHOPPING.
JAN 30, 2026
SIGN ON TO JOIN US:
NationalShutdown.us

ICE OUT! NATIONWIDE SHUTDOWN! NO WORK. NO SCHOOL. NO SHOPPING. JAN 30, 2026 SIGN ON TO JOIN US: NationalShutdown.us

On 1/30 we are shutting it down, and, on 1/31, we are gathering across the country to demand ICE Out of Everywhere, permanently!

1 month ago 1,264 732 46 67

A thread of MAGA protesting with guns and not getting murdered for it...

Arizona, November 2020

1 month ago 7,006 3,365 278 232
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1 month ago 110 22 1 2

They murder a man in cold blood and wait around to watch him die. There is no hell hot enough. Abolish DHS. Impeach, convict, remove. Trials as soon as possible.

1 month ago 3,491 851 81 35

This is really is a great piece, and Kevin makes an important point in it: “the data was made vulnerable because our scientific institutions assume good faith in people. There needs to be an acknowledgment that there are bad-faith researchers. The rules and regulations need to catch up with that”

1 month ago 50 31 1 0

Thank you for this excellent article. If you decide to write a follow-up to this story, I suggest looking into the "high IQ heritability" pseudoscience that race scientists cite in support of their claims, which mainly consists of twin studies.

1 month ago 1 1 0 1

The Pioneer Fund was also the main funder of the Minn. Study of Twins Reared Apart. The researchers suppressed their control group results not only to match their IQ-hereditarian confirmation biases, but also to please their funders.

jayjoseph22.substack.com/p/iq-heredit...

osf.io/preprints/ps...

1 month ago 2 1 0 0
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Tim Walz: “Minnesota has had it.”

1 month ago 680 100 79 26
Jay Joseph
Jay Joseph
@jayjoseph22
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