Tyler Black, MD Profile picture
Aug 4, 2024 22 tweets 7 min read Read on X
❌Mythbusting❌
Youth suicide & COVID

❌Myth:
responses to COVID "caused" 🔼youth suicides

✅Reality:
We now have 4 years of pandemic data showing that school-aged youth did NOT have an increase in suicides; in fact, rates decreased 18.3% from recent trends AND averages.

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This is true for girls in the US (pretty much right on the 3-year average (-0.8%), and 16.3% less than expected from the 10-year trend).

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This is true for boys in the US (10% less than the 3-year average and 18.9% less than expected from the ten-year trend)

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This is true for elementary-school-aged children 5-12 years of age (a whopping 23.1% less than expected based off of the 10-year trend, and 6% less than the 3 year average)

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This is true for 13-year-olds (23.2% less than expected from 10-year trend, and 9% less than expected from 3-year average)

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This is true for 14-year-olds (12.2% less than expected from 10-year trends, and within 1% of the 3-year average)

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This is true for 15-year-olds (20.6% less than expected from 10-year trends, and 13% less than expected from 3-year average)

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This is true for 16-year-olds (17.4% less than expected from 10-year trends, and 10% less than expected from 3-year average)

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This is true for 17-year-olds (18.6% less than expected from 10-year trends, and 11% less than expected from 3-year average)

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This is true for 18-year-olds (11.8% less than expected from 10-year trends, and 8% less than expected from 3-year average)

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And this is true for 19-year-olds (11.9% less than expected from 10-year trends, and 4% less than expected from 3-year average)

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Due to statistical limitations, I had to group CDC races quite broadly. Boys labelled as white and non-Hispanic on their death certificate demonstrated a remarkable 24.3% and 11% reduction in suicides compared to the 10-year trend and 3-year average, respectively.

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Girls labelled as white and non-Hispanic on their death certificate demonstrated a 26.3% and 4% reduction in suicides compared to the 10-year trend and 3-year average, respectively.

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Boys labelled as Hispanic on their death certificate demonstrated a 16.1% and 11% reduction in suicides compared to the 10-year trend and 3-year average, respectively.

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Girls labelled as Hispanic on their death certificate demonstrated no change in suicides compared to the 10-year trend and 14% higher than the 3-year average.

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Boys labelled as Black and non-Hispanic on their death certificate demonstrated no change in suicides compared to the 10-year trend and 12% higher than the 3-year average.

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Girls labelled as Black and non-Hispanic on their death certificates fared the worst out of the analyses I ran, following the 10-year prepandemic trend (not statistically significant but 4% higher) and much higher than the 3-year average (23%).

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If anything, length of school closure in the US is associated with better trend comparisons. When controlled for race and urbanization, the states with the longest school closures performed better than the states with the shortest school closures.

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With now 4 years of pandemic data in the US, we can clearly state that the evidence does NOT support an association of suicide rates increasing with the pandemic or measures taken against it.

This claim is either misinformation or disinformation.

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The reprehensible advocates and politicians who wielded child suicides to advocate for pandemic measures ending should (but likely won't be) ashamed for their ghoulish behaviour.

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And on a very positive note, it appears that the US has now established a downward trend in youth suicides since 2018! Yay.

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On a personal note, thank you to everyone who reached out to me in my absence. I truly appreciate all of your support.

Please keep this thread stored to battle the suicide misinformation that continues to swirl in the United States.

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More from @tylerblack32

Jan 2
🚨Countering COVID Myths:🚨

❌Myth: "Lockdowns definitely caused massive learning loss"

✅Reality: Using a large set (n=2mil) of Ontario students, we see more improvements then losses, and trend of older students doing better than younger students.

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As an example of the statistical reason why I can say the above is a myth, zoom in on ALL the grade 3 scores (Grade 3 did the "worst")

Looking at the distribution, we see more deteriorations (52%) than improvements (45% of scores) achievement scores, but its very broad!

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Even if we take the "worst example" of grade 3 loss (Grade 3 writing), we see more deteriorations (58% of schools) than improvements, but the distribution is wide and 40% of schools showed improvements.

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Read 11 tweets
Dec 16, 2024
Vaccines and "placebo control"

Placebo-controlled trials compare a vaccine to an inactive substance (placebo). This helps measure how effective the vaccine is. In the case of vaccines, often, the placebo is not "saline", but rather a previous vaccine or vaccine solution.

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When a safe, effective vaccine already exists, using an inactive placebo means some participants are deliberately left unprotected against disease. This creates unnecessary harm.

/2
Ethical standards require minimizing harm and offering participants the best available care. When a proven vaccine exists, denying it to anyone—regardless of location—is unethical.

/3
Read 9 tweets
Dec 15, 2024
🚨🇨🇦Correcting Disinfo🇨🇦🚨
"COVID vaccination didn't work"

In Canada during the Delta wave, vaccination prevented infection (unvaccinated 6x higher chance of being infected). As well, being unvaccinated led to a 22X chance of being hospitalized and an 18X chance of dying.

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For confirmed infections, the IFR for unvaccinated was a whopping 2.4%. The IFR for being vaccinated was much lower, both due to preventing infection and reducing the consequences of it.

Delta was a very deadly strain, and unvaccinated people died/suffered the most.

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When Omicron hit, it was a strain that evaded vaccinations, leading to enormous numbers of infections, even in vaccinated people.

However, the immunity protection vs hospitalization and death was still enormous, and unvaccinated Canadians were 12X more likely to die.

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Read 7 tweets
Nov 30, 2024
Correcting revisionist history:
"COVID is not a problem for young people in the US"

Covid responsible (not "with", underlying cause) for 2% of all deaths <20. That's 1 out of every 50 deaths of all kids who die. #1 in infectious diseases, 5th in disease overall.

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COVID-19 deaths created 300,000 American orphans, 330,000 if we count "primary caregivers" and 380,000 if we count "secondary caregivers". That's a lot of childhood harm.

2x as common for Black kids
4x as common for Indigenous kids
1.6X as common for Hispanic kids

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Our most vulnerable children, with medical illnesses, suffered the most during the pandemic. Children with heart disease, respiratory disease, neurologic diseases, and chromosomal abnormalities suffered more severe symptoms than did children without those conditions.

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Read 6 tweets
Nov 28, 2024
🏳️‍⚧️FAQ for posterity:

Why do you use pronouns in your bio?
Because it's an easy way to promote inclusivity & to increase awareness of gender expression. It costs me nothing, &because I work with kids who are establishing their identity it shows that I don't make assumptions.

/1
Is being transgender a mental illness?
Being transgender is not a mental illness. It is a natural variation of human phenotype, though some transgender individuals may experience distress, called gender dysphoria, which is addressed through appropriate care.

/2
Can a man be a woman?
Yes. Some individuals identify as a gender different from their assigned sex at birth.

"What is a woman?"
A woman is a female by identity. This can refer to biological sex identity or social gender identity, depending on the context.

/3
Read 14 tweets
Nov 24, 2024
🧵RFK Jr. is an antivax, AIDS-denying, absolutely antiscientific conspiracist.🧵

ANTIVAX:
“They get [vaccinated], that night they have a fever of 103, they go to sleep, and three months later their brain is gone... This is a Holocaust, what this is doing to our country.”

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ANTIVAX:
"I do believe that autism does come from vaccines"

Metaanalyses involving MILLIONS of children have confirmed there is no link. The lie started with another antivaxxer, disgraced fraudster Andrew Wakefield, who fabricated data.

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ANTIVAX:
"I've read all the science on autism and I can tell you, if you want to know... If it didn't come from the vaccines, then where did it come from?"

Autism primarily from combo of genetic factors & early brain development differences.

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Read 10 tweets

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