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Jeffrey Flier
@jflier
Harvard University Distinguished Service Professor and Higginson Professor of Physiology and Medicine at Harvard Medical School. Former Dean of HMS.
Boston, MA
Joined June 2009
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    I Led Harvard Medical School, And I Fear What's to Come. My oped in today's New York Times. nytimes.com/2025/04/04/opi… via @nytopinion
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    Wow. New paper makes strong case that COVID booster mandates in young adults (as in many US universities), caused net harm, and must be judged unethical. This should not have happened, and we should insist on accountability. @KevinBardosh @TracyBethHoeg @VPrasadMDMPH 👇
    📢Read our new paper: Analysis suggests Covid-19 boosters likely to cause a net clinical harm to young adults(18-29 yr), where total severe adverse events (SAEs) will outweigh Covid hospitalizations averted Booster mandates are unethical because:1/13🧵 jme.bmj.com/content/early/…
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    As a long-standing diabetes researcher, I join my Harvard Public Health colleague in calling out the severe flaws in this CDC report claiming COVID increases diabetes risk in kids. Would never pass peer review in this form. CDC must do better.
    Colleagues/journalists: this study on kids and diabetes that’s going around is really bad. Jump to the section w the 4 limitations they list and you’ll see what I mean in one second. It’s not the usual minor stuff. Eye-popping.
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    Note- the President is on dexamethasone. Whether or not it’s medically justified, dex can and does cause mood swings, personality changes etc. This is a real matter of concern for the person in his role.
    The just completed second medical briefing stuck me as embarrassing for the profession, and Dr Conley. It’s clear he is under great pressure to dissemble, but he must resist those pressures.
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    As a dean of a major academic institution, I could not have said this. But I will now. Requiring such statements in applications for appointments and promotions is an affront to academic freedom, and diminishes the true value of diversity, equity of inclusion by trivializing it.
    UCLA threatens academic freedom and public trust in higher education with its new requirement that all applications for tenure-track positions and promotions include a "Equity, Diversity, and Inclusion" statement. thefire.org/ucla-diversity…
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    Vaccinated people do not carry the virus. Retweet, please. And incorporate into public and private policy. Thank you.
    CDC Director Dr. Rochelle Walensky: “Our data from the CDC today suggest that vaccinated people do not carry the virus.”
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    This approach to suddenly cutting @NIH grant indirect costs will cause chaos and harm biomedical research and researchers in hospitals, schools and institutes nationwide. A sane government would never do this.
    Last year, $9B of the $35B that the National Institutes of Health (NIH) granted for research was used for administrative overhead, what is known as “indirect costs.” Today, NIH lowered the maximum indirect cost rate research institutions can charge the government to 15%, above
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    For a medical society, or a medical school, to prioritize "social justice" over medical expertise is to declare themselves unfit for their professional roles.
    Warning ⚠️ EDI can be bad for your health! In this internal document from the @Royal_College of Physicians and Surgeons of Canada, there is a proposal from the EDI group to prioritize social justice over medical expertise. This is bonkers. #Cdnpoli @fordnation #Onhealth
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    "Everything we do before a pandemic will seem alarmist. Everything we do after a pandemic will seem inadequate." Michael O. Leavitt, U.S. Secretary of Health and Human Services, 2007.
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    What if I told you that I co-founded a startup in 1987 that obtained world-wide rights to GLP1 as a metabolic Rx, collaborated with Pfizer to show key activities, & abandoned it in 1990 when Pfizer lost interest? I tell the previously untold tale in an open access paper now up
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    Pedagogical malpractice at @UCLA medical school. I was prepared to see some questionable things in the mandatory “Health Equity” course, but what I saw was truly outrageous, requiring serious inquiry by the dean and the accrediting body. @aaronsibarium
    ‘Pedagogical Malpractice’: Inside UCLA Medical School’s Mandatory ‘Health Equity’ Class freebeacon.com/campus/pedagog…
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    A hierarchy of thinking styles. On target.
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    Boris extends Chanukah greetings. Nicely done.
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