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Philip N Cohen

@philipncohen.com

844 Following12k Followers

Sociologist and demographer, U. of Maryland; SocArXiv director.

Latest book: Citizen Scholar: Public Engagement for Social Scientists https://cup.columbia.edu/book/citizen-scholar/9780231555418

Website: philipncohen.com
Blog: familyinequality.com

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@philipncohen.comOct 12, 2026, 8:40 PM

"Going no contact with people who do not endorse your family culture is one viable path forward for building a new kind of family that abides by shared values" -Rin Reczek

@philipncohen.comOct 12, 2026, 7:54 PM

Does TV count?

@philipncohen.comOct 12, 2026, 5:48 PM

188. 2026 update: Among 68 women Nobel Prize winners (counting Marie Curie twice), the mean number of children is 1.5, the median is 2, 82% had 2 or fewer, 37% had none. Counts adopted and most step children. (New laureates: Carson, 0; Pillay, 2)

@philipncohen.comOct 12, 2026, 2:58 PM

I wish, in vain, for clickbait headline writers to have trouble sleeping at night, but I wish for something worse (one thing, can you guess?) for clickbait headline writers who target people desperate to help suffering loved ones however they can, when the story is of no practical use to them

OPINION
GUEST ESSAY
I Couldn't Cure My Dad's Alzheimer's. Here's What I Could Heal.
Oct. 12, 2026, 5:02 a.m. ET
@philipncohen.comOct 12, 2026, 3:10 AM

Thanks for sharing these 👍

@anshugsharma.myatproto.socialOct 12, 2026, 2:28 AMReposted by @philipncohen.com

It's worth noting that many papers and academic proponents of marriage fundamentalism rely on the veneer of institutional legitimacy while sidestepping typical institutional procedures. Hats of to Prof @philipncohen.com for these blog posts:

@philipncohen.comOct 12, 2026, 1:35 AM

Ruin a book by adding a word: The Odyssey (IMAX)

@carlbergstrom.comOct 11, 2026, 10:00 PMReposted by @philipncohen.com

That said, I vehemently disagree with this post, particularly where university press offices (my original source) are concerned. It is ABSOLUTELY the author's fault if a university press office misrepresents their work. I've been teaching this for a decade in our NIH trainee bioethics courses.

@rebeccasear.bsky.socialOct 11, 2026, 4:14 PMReposted by @philipncohen.com

Panicked headlines about a “fertility crisis” are not being driven by experts who understand fertility trends 👇 Next time you see such a headline, worth thinking about whose interests “demographic collapse” narratives serve

@philipncohen.comOct 11, 2026, 2:23 PM

This question was tricky because "intervene" is not defined. But at current US fertility rate, 18% of demographers support government intervention to raise birth rates. Half said never intervene. Paper with results, and data:
osf.io/preprints/so...

@philipncohen.comOct 11, 2026, 12:21 PM

The window is closing on Dems avoiding billionaire capture

@carlbergstrom.comOct 11, 2026, 6:05 AMReposted by @philipncohen.com

As best as I can tell, RFK Jr.'s latest antivax stunt runs counter to the WMA Declaration of Helsinki. Withholding HepB vaccination clearly does not meet any definition of clinical equipoise. Doing it anyway, overseas, is straight up colonialist medicine.

Use of Placebo

    The benefits, risks, burdens, and effectiveness of a new intervention must be tested against those of the best proven intervention(s), except in the following circumstances:

    If no proven intervention exists, the use of placebo, or no intervention, is acceptable; or
    If for compelling and scientifically sound methodological reasons the use of any intervention other than the best proven one(s), the use of placebo, or no intervention is necessary to determine the efficacy or safety of an intervention; and the participants who receive any intervention other than the best proven one(s), placebo, or no intervention will not be subject to additional risks of serious or irreversible harm as a result of not receiving the best proven intervention.

Extreme care must be taken to avoid abuse of this option.
@philipncohen.comOct 10, 2026, 11:30 PM

Apparently a daily occurrence

@philipncohen.comOct 10, 2026, 8:02 PM

This mass shooting took place in a home, presumably a man massacring his family, so it's not front page news.

@philipncohen.comOct 9, 2026, 12:42 PMReposted by @philipncohen.com

Is America in a demographic crisis? Demographers don’t think so. I conducted a survey of U.S. demographers, and this is what I found: 3%: “The low birth rate is a demographic crisis” 25%: "serious concern” 53%: "should be monitored, but no intervention necessary” 20% :“not a problem at all.”

Fig. 1 The United States has a total fertility rate around 1.6. Which of these statements
comes closest to your view? N = 180

3.2

24.5

52.7

19.7

The low birth rate is a
demographic crisis

The low birth rate is a
matter of serious concern

The low birth rate should be
monitored, but no
intervention is necessary

The low birth rate is not a
problem at all

0.0

A rate below 1.6 would be
better

0

10

20

30
Percent

40

50

60
@philipncohen.comOct 9, 2026, 5:31 PM

Thank you for this important and surprising information

LIVE
/m ago
Navi Pillay, South African Human Rights Lawyer, Is Awarded Nobel Peace Prize She led a U.N. panel that determined that Israel had committed genocide against Palestinians in Gaza, a finding the Israeli government rejected.
SEE MORE UPDATES ›
@philipncohen.comOct 9, 2026, 2:55 PM

That's right, birth rates are an issue because of aging. Increasing birth rates, which you can't do anyway, would make it worse by increasing the number of dependents and reducing the productivity of parents. So, aging is an issue to deal with, not something to prevent by boosting births. IMO 👍

@philipncohen.comOct 9, 2026, 1:46 PM

Yep, and it's a major social issue.

@philipncohen.comOct 9, 2026, 12:59 PM

Thank you. Worth a try 👍

@philipncohen.comOct 9, 2026, 12:57 PM

Special thanks to the friendly demographer friends who gave me feedback on the idea and the questions! Named in the paper.

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