The hottest Public Health Substack posts right now

And their main takeaways
Category
Top Health & Wellness Topics

Given FARA, were US Public Health Administrators and US-Based NIAID-Funded Researchers Working Illegally on Behalf of Other Nations?

Popular Rationalism • 534 implied HN points • 21 Oct 24
🇺🇸 U.S. Politics Public Health
  1. U.S. public health officials and researchers may have acted in ways that helped foreign countries, especially China, instead of focusing solely on American interests. This raises questions about whether they were following the law.
  2. There is evidence suggesting that decisions made by U.S. health leaders, like lifting a ban on risky research, potentially contributed to the COVID-19 outbreak. Their actions may not have prioritized public safety.
  3. A lack of transparency and accountability in how health officials manage information during the pandemic has eroded public trust. Many feel that critical details about the virus's origins were suppressed to protect certain interests.

1911-1943: Continued non-existence of legal provisions directing federal agencies to establish and enforce biological product definitions and standards.

Bailiwick News • 1783 implied HN points • 09 Oct 24
🇺🇸 U.S. Politics Public Health
  1. From 1911 to 1943, U.S. Congress didn't create laws to establish clear definitions or standards for biological products, like vaccines and toxins. This meant there were no guidelines for safety or labeling requirements.
  2. The 1902 Virus-Toxin Act only focused on the licensing of manufacturers, not the products themselves. This led to a lack of oversight on what was in those products and whether they were safe to use.
  3. Even with new regulations in later years, there was still confusion and gaps in laws about the safety and efficacy of biological products, allowing manufacturers to operate without strict requirements.

Top 5 questions about school vaccination requirements

Your Local Epidemiologist • 877 implied HN points • 11 Mar 26
🏥 Health Politics Public Health
  1. State school vaccination rules are shifting: some states are moving toward stricter medical-only exemptions while others are passing laws to weaken or block requirements, so this will remain a live policy battle, not a settled issue.
  2. School immunization requirements do more than boost vaccine rates — they create routine healthcare visits that catch other health problems and keep kids in school, so weakening them can reduce both vaccination coverage and important points of health access.
  3. When discussing policy, focus on shared values and practical arguments: emphasize keeping schools open, the high cost of outbreaks, and middle-ground fixes like making exemptions harder to obtain or tying them to education rather than eliminating requirements entirely.

The Lowdown on Low-Dose Aspirin for Primary Prevention

Ground Truths • 13866 implied HN points • 02 Jan 26
🏥 Health & Wellness Public Health
  1. Low-dose aspirin for primary prevention in older adults generally causes more harm than benefit. It increases major bleeding and, in some trials, was linked to higher overall or cancer-related mortality without reducing cardiovascular events.
  2. Major guidelines now advise against routine aspirin for primary prevention in older adults, with age cutoffs varying by group. Aspirin still provides clear benefit for secondary prevention after events like heart attack, stroke, or stenting.
  3. There are hints aspirin might lower cancer incidence in specific subgroups (for example people with CHIP), but overall trial data in the elderly showed higher cancer deaths and CHIP testing isn’t part of routine care, so this is not an actionable reason to use aspirin now.

Cabinet Apocalypse

Thinking about... • 744 implied HN points • 26 Feb 26
🇺🇸 U.S. Politics Public Health
  1. A coordinated effort to dismantle democratic institutions by installing loyalists, gutting the civil service, redirecting public funds to private interests, and using legal power to protect allies and undermine the rule of law.
  2. Deliberate promotion of social and ecological collapse—through anti-vaccine stances, blocking green energy, and stoking disorder—to create disease, chaos, and violence that break national cohesion and enrich a few.
  3. Weakening national defense and oversight to empower foreign autocrats and billionaire enclaves, using intelligence failures, repressive security forces, and automated warfare risks to concentrate power and profit.
Get a weekly roundup of the best Substack posts, by hacker news affinity:

IgG4 Class Switching, Immune Tolerance, and Adverse Event Risk from Repeated mRNA Booster Vaccination

Who is Robert Malone • 12 implied HN points • 22 Mar 26
🔬 Science Public Health
  1. Repeated mRNA boosters can drive a progressive shift toward IgG4 antibodies that keep binding the spike protein but weaken Fc effector functions (like ADCC and complement) and have been linked to higher breakthrough infection risk.
  2. The class switch is driven by IL‑10–rich germinal center signals and becomes encoded in long‑lived memory B cells and plasma cells, so it is durable and not detected by standard total anti‑spike IgG tests.
  3. Because this effect is cumulative and immunologically specific, booster policy and surveillance should be risk‑stratified with longer minimum intervals, pediatric reassessment, and prospective monitoring using IgG subclass assays and targeted safety studies.

Collective Psychosis in Vermont

Disaffected Newsletter • 2457 implied HN points • 06 Sep 24
🇺🇸 U.S. Politics Public Health
  1. Oktoberfest in Burlington was canceled due to health concerns about Eastern Equine Encephalitis, which affects mosquitoes in the area.
  2. Despite the low number of cases, local officials advised residents to avoid outdoor activities during certain hours to prevent infections.
  3. The response reflects a larger trend of reacting emotionally to health risks, leading to broader community actions that some see as extreme or unnecessary.

The Great John Ioannidis on the Terrible Science During Covid

COVID Reason • 753 implied HN points • 15 Oct 24
🔬 Science Public Health
  1. During the COVID-19 pandemic, there was a flood of poor-quality scientific studies. Many rushed papers were published that had unreliable findings, highlighting a major issue in research standards.
  2. To improve science in the future, researchers need to focus on real problems and provide real-world data instead of relying heavily on models. Transparency is also crucial so everyone can trust the research and its sources.
  3. Healthcare workers faced immense challenges during the pandemic and deserve more support. The lessons learned from this crisis should help us prioritize quality scientific work and the human aspect of healthcare.

Water and Sanitation in the Developing world

Of All Trades • 10 implied HN points • 12 Mar 26
🌍 World Politics Public Health
  1. There are huge economic returns to water and sanitation, but misaligned incentives and weak institutions mean new projects are often built and then neglected instead of properly maintained.
  2. Relying on external funding without building local capacity leaves systems fragile, so when major donors or lenders withdraw support the services quickly collapse.
  3. Practical institutional fixes — like giving utilities operational autonomy, enforcing billing, deploying smart prepaid meters, and tackling rent-seeking — can make water systems financially self-sustaining and reliably expand access.

Outbreak Outlook - National - March 22

Force of Infection • 76 implied HN points • 22 Mar 26
🏥 Health & Wellness Public Health
  1. Flu activity is falling quickly and should drop below the seasonal baseline next week, with all age groups reporting fewer outpatient visits and Flu B making up most late-season cases.
  2. Covid-19 is quiet and mostly declining nationwide, with low ED visits and hospitalizations, though Washington, Pennsylvania, and DC show stable activity.
  3. RSV has peaked in most regions but remains high with infant hospitalizations still elevated despite recent improvements; norovirus is very active and rising, and several foodborne outbreaks/recalls (including an E. coli–linked raw cheese), plus ongoing measles spread and a UK meningitis cluster, are current concerns.

The Complex Adaptive Landscape Created by SARS-CoV-2 Vaccines Shows Us Why Evolution Will Not Allow Effective mRNA Vaccines Against mRNA Viruses, Part 1.

Popular Rationalism • 574 implied HN points • 16 Oct 24
🏥 Health Politics Public Health
  1. mRNA vaccines face big challenges because of how fast RNA viruses can change. It's unlikely they'll be able to completely eliminate the virus over time.
  2. These vaccines can push viruses to evolve in ways that make them escape detection and survive better. This means the virus can keep changing and might even become more dangerous.
  3. Natural immunity, from getting the virus instead of a vaccine, can be broader and may help prevent newer variants. This shows how different immune responses can affect how the virus evolves.

The Covid Screwtape Letters - Part 1

COVID Reason • 1050 implied HN points • 08 Oct 24
🏥 Health Politics Public Health
  1. Chaos and confusion can be more powerful than a virus. When people are confused, they struggle to find the truth.
  2. Control is the real goal, not just dealing with the virus itself. Keeping people afraid and divided helps maintain that control.
  3. History shows us that fear can tear communities apart. Encouraging suspicion between neighbors can lead to a lot of conflict and chaos.

The Kids Are Alright About Vaping, So Let’s Fix the Grown-Ups

Common Sense with Bari Weiss • 199 implied HN points • 13 Mar 26
🏥 Health Politics Public Health
  1. Youth vaping and smoking rates have dropped sharply in recent years, which is a major public health win.
  2. Obsession with banning flavored e-cigarettes seems misplaced because teen use is already low and illegal flavored vapes are widespread but not driving youth use.
  3. Flavored e-cigarettes can help adults quit smoking, so limiting access risks undermining a useful tool for reducing tobacco deaths.

Hep B vaccine rates declining, RSV is having a late surge, more disease=more economic cost, AI and triage, and the U.S. surgeon general

Your Local Epidemiologist • 956 implied HN points • 03 Mar 26
🏥 Health Politics Public Health
  1. Newborn hepatitis B vaccination rates are falling substantially, and declining childhood immunization (like MMR) threatens more cases, hospitalizations, deaths, and large economic costs.
  2. The respiratory season is unusual: flu activity is plateauing while RSV infections and hospitalizations are surging very late, putting infants at higher risk; vaccines and long-acting monoclonal antibodies can still provide protection.
  3. Consumer AI health tools can help with simple questions but are not yet reliable for triage; they often over-refer low-risk people and can miss early signs of serious emergencies, so don’t rely on them in urgent situations.

The test of open dialogue

Your Local Epidemiologist • 1393 implied HN points • 25 Feb 26
🏥 Health Politics Public Health
  1. Jay Bhattacharya now leads both CDC and NIH, and his tenure will be judged on whether he protects the open scientific debate he once called for.
  2. Respectful, in-person conversations can humanize opponents and help reconcile hard public health trade-offs, even when people still disagree.
  3. Recent moves like limiting public comment, reshaping advisory boards, removing materials, and firings have raised worries about reduced transparency and politicization, and the agencies’ direction will be closely watched.

Dr. Atlas and the Crucible of Open Dialogue

COVID Reason • 495 implied HN points • 15 Oct 24
🏥 Health Politics Public Health
  1. Government lockdowns during the pandemic didn't work as intended and caused more harm than good, affecting people's mental health and education.
  2. Censorship stifled important discussions and alternative viewpoints, which are essential for scientific progress.
  3. Academic institutions didn't uphold free expression and debate, which is key for critical thinking and finding the truth.

Ten States Have Held Out on Medicaid Expansion. It's Left Millions of Americans Without Health Coverage.

HEALTH CARE un-covered • 439 implied HN points • 23 Sep 24
🏥 Health Politics Public Health
  1. Ten states have not expanded Medicaid, leaving millions of people without health coverage. These states have some of the highest rates of uninsured residents.
  2. Many people in the coverage gap are working but still can't afford health insurance. Their incomes are too high for Medicaid but too low for ACA subsidies.
  3. The refusal to expand Medicaid often comes from political choices, not a lack of need. Many residents want the expansion, but their state governments are not listening.

Why We Drink

News from Uncibal • 835 implied HN points • 08 Oct 24
🇺🇸 U.S. Politics Public Health
  1. Alcohol is more than just a drink; it's linked to our freedom. When people try to limit our drinking, it can mean they're also trying to limit other freedoms.
  2. Drinking responsibly helps us learn about our choices and how to live with others. It's part of growing up and being a good citizen in society.
  3. If society starts to restrict our alcohol consumption, it could show a bigger problem. It might mean that people are becoming less capable of handling their freedoms well.

Unjustified Critique of a CDC Report on Social Media Risks

The Shores of Academia • 39 implied HN points • 29 Oct 24
🏥 Health Politics Public Health
  1. The CDC report links frequent social media use to increased risks of bullying, feelings of sadness, and suicidal thoughts among teens. It found that a significant number of high school students use social media frequently, which may affect their mental health.
  2. Chris Ferguson criticizes the CDC report, claiming it shows bias and incompetence without providing solid evidence for his accusations. He describes the CDC's findings as exaggerated and accuses the authors of unethical behavior, which raises questions about his arguments.
  3. The conversation around social media impacts on mental health is polarizing, with some dismissing concerns as moral panic. This reflects a broader debate about the effects of digital technology on youth and the responsibility of researchers to communicate findings accurately.

How Experts Created a Peanut Allergy Epidemic

The Take (by Jon Miltimore) • 356 implied HN points • 17 Oct 24
🏥 Health Politics Public Health
  1. Experts once recommended avoiding peanuts during pregnancy and for young children. This led to a big increase in peanut allergies.
  2. Initially, there was no strong evidence for the peanut avoidance advice, which caused more harm than good.
  3. Now, it's suggested that introducing peanuts early can actually help prevent allergies, showing that previous guidelines were misguided.

Think Stabilized Spike is Bad? Meet Replicon mRNA Vaccines. They are So Bad, We Predict FDA Will Posture for Public Trust on These.

Popular Rationalism • 1069 implied HN points • 03 Oct 24
🏥 Health Politics Public Health
  1. Replicon mRNA vaccines have the ability to replicate inside the body, which could lead to unknown risks and side effects. This uncontrolled replication raises concerns about overstimulating the immune system or causing mutations.
  2. Protests in Japan highlight public fear and skepticism surrounding self-replicating vaccines. Many people are worried about the lack of long-term safety data and want more transparency from health officials.
  3. How Japan handles this new vaccine could influence other countries' decisions. Regulatory bodies worldwide need to balance innovation with public safety and trust to avoid backlash and promote acceptance.

A new home for Force of Infection

Force of Infection • 154 implied HN points • 17 Mar 26
🏥 Health & Wellness Public Health
  1. The newsletter is moving off Substack to a standalone website, and subscriptions (including paid and regional choices) will transfer automatically; only readers who use the Substack app need to switch to email notifications.
  2. The move is intended to create a more permanent, independent, and stable home so the publication stays reliable despite changes to platform algorithms.
  3. The new site will let the newsletter expand beyond weekly reports into evergreen reference pages, seasonal summaries, and practical tools, with paid subscribers enabling that growth.

Why your flu shot may work differently than you think

Who is Robert Malone • 14 implied HN points • 21 Mar 26
🔬 Science Public Health
  1. Your first childhood flu exposure permanently shapes how your immune system responds to later vaccines, so repeated shots or similar antigens can make the body recall old answers instead of making updated protection.
  2. As people age their immune systems lose naive cells, germinal center function declines, and chronic inflammation rises, which makes older adults both the most vulnerable to flu and the least likely to mount a strong vaccine response.
  3. Current one-size-fits-all vaccination policy doesn’t account for imprinting, repeat-vaccination effects, or immunosenescence; we need clearer communication and investment in better vaccine platforms and strategies (non-egg production, adjuvants, or immunomodulation).

Another PRO-MASK Study Debunked

COVID Reason • 733 implied HN points • 07 Oct 24
🏥 Health Politics Public Health
  1. Recent studies show that school mask mandates may not significantly reduce COVID-19 transmission. It's important to look closely at how studies are conducted to understand their true effectiveness.
  2. Researchers highlight that using observational data can lead to misleading conclusions about mask mandates. Different methods could give us clearer answers about their impact.
  3. Future public health decisions about masks should rely on strong evidence from well-designed studies. This will help build trust and ensure that interventions are truly beneficial.

I Live in Minnesota. Let Me Tell You about Tim Walz's COVID Snitch Line

The Take (by Jon Miltimore) • 793 implied HN points • 06 Oct 24
🇺🇸 U.S. Politics Public Health
  1. Tim Walz's COVID snitch line encouraged people to report their neighbors for breaking pandemic rules. This created a culture of distrust and fear among citizens.
  2. The phenomenon of reporting on others echoed historical events where citizens informed on each other, like during the Salem Witch Trials and McCarthy era, but here it focused on pandemic-related behaviors instead.
  3. Many reports to the snitch line seemed motivated by personal grievances rather than genuine concern for public health. This reflects how people can lose a sense of personal freedom and try to control others in tightly regulated environments.

Did RFK just take away your cancer treatment?

Noahpinion • 35647 implied HN points • 08 Aug 25
🏥 Health Politics Public Health
  1. Cancer rates are rising, but new treatments, especially mRNA vaccines, show promise in making cancers manageable diseases instead of death sentences.
  2. Recent government decisions have halted funding for mRNA vaccine research, which could slow down advancements in cancer treatment.
  3. This political battle against mRNA technology may cost many lives as the advancements that could help fight cancer are delayed.

Endangerment Finding, bird flu, what counts as professional degrees, and more

Your Local Epidemiologist • 1029 implied HN points • 24 Feb 26
🏥 Health Politics Public Health
  1. A proposed Education Department rule would narrow which graduate programs count as “professional,” risking lower federal loan limits for public health, nursing, social work, physician assistant, and similar students and making these careers harder to afford.
  2. Repealing the Endangerment Finding weakens the EPA’s legal authority to limit greenhouse gases, which will likely increase air pollution and related health harms like asthma, heart and lung disease, and premature deaths, even as courts and states push back.
  3. A major H5N1 bird flu outbreak has infected millions of birds (mostly in commercial flocks), so the virus is circulating in poultry and wild birds; the risk to most people remains low, but poultry owners should follow testing and biosecurity guidance.

Community and crisis

Your Local Epidemiologist • 2999 implied HN points • 26 Jan 26
🇺🇸 U.S. Politics Public Health
  1. The country is under severe strain and the constant emotional load of grief, anger, and helplessness is unhealthy and hard to carry.
  2. Community care and small acts of solidarity—mutual aid, donation centers, peaceful marches, and vigils—make practical differences and offer hope.
  3. Everyone can act: protect your mental health by limiting exposure to traumatic media and leaning on community, and take civic steps like donating and calling representatives to shape the society we want.

Consumptive Capitalism

Thinking about... • 675 implied HN points • 15 Feb 26
🏥 Health Politics Public Health
  1. Before antibiotics, diseases like tuberculosis spawned an expensive wellness industry that sold hope, routines, and costly treatments instead of cures.
  2. Nostalgia-driven and consumerist health movements promote distrust of medical science and steer money toward private wellness businesses rather than public health solutions.
  3. Protecting population health needs strong public health systems, vaccines, and affordable medicines—prioritizing profit over science risks renewed epidemics and worse access to care.

Is this real life?

Disaffected Newsletter • 3776 implied HN points • 30 Jul 24
🏥 Health Politics Public Health
  1. Derealization is a feeling where the world seems unreal, like a scary movie. It can happen to people with mental health issues or past trauma, and it's really unsettling.
  2. The constant changes in news and public opinion can make people feel confused and anxious. It's like we are living in a situation where nothing feels stable or real.
  3. For those who have experienced derealization, knowing others feel the same can help them feel less alone. It's important to talk about these feelings and experiences.

OPINION: The GOP Plan to Right-Size the NIH and Provide Oversight Does Not Go Far Enough

Popular Rationalism • 693 implied HN points • 05 Oct 24
🏥 Health Politics Public Health
  1. The GOP wants to cut the number of NIH disease centers and add political oversight, but that won't fix deeper problems. Chronic diseases are a big issue, and the focus needs to shift towards prevention, not just treatment.
  2. NIH spends a lot on traditional pharmaceutical research, but it often ignores integrative medicine, which could really help with chronic illnesses. More research into things like diet and lifestyle changes can make a big difference.
  3. #PlanB suggests decentralizing research by creating many independent labs that can focus on local health needs. It prioritizes prevention and transparency, aiming to better address the long-term health problems facing the country.

The Rabies Vaccine Edition

Why is this interesting? • 1689 implied HN points • 27 Jan 26
🏥 Health & Wellness Public Health
  1. Sri Lanka treats rabies as a national priority with widespread post‑exposure vaccination, and that access has driven annual deaths down from around 400 in the 1970s to about 10 today.
  2. In many Western places people have grown complacent about vaccines because deadly diseases became rare and vaccines were politicized, and that complacency has been linked to falling vaccination rates and resurgences of illnesses like whooping cough, measles, and local polio cases.
  3. Cultural attitudes toward nature shape risk tolerance: societies that live closely with animals accept coexistence and take practical steps like readily available rabies shots, seeing medicine as a necessary protection rather than an optional lifestyle choice.

The NHS Data Goldmine

Odds and Ends of History • 335 implied HN points • 09 Mar 26
🏥 Health Politics Public Health
  1. OpenSafely gives scientists access to nationwide NHS GP data, creating a powerful resource for large-scale medical research.
  2. Moving to Net Zero makes energy pricing much more complex, introducing new technical and market challenges that experts are working to resolve.
  3. These topics are being explained and shared through podcasts and newsletters so people can follow expert discussions and find further resources.

How Big Pharma Mixed Addiction With Social Justice

TK News by Matt Taibbi • 3638 implied HN points • 09 Jan 26
🏥 Health Politics Public Health
  1. Purdue ran a deliberate, identity-targeted marketing campaign to get doctors to start and keep patients on high-dose opioids, using fake patient profiles and other tactics that helped drive widespread addiction.
  2. They co-opted feminist and empowerment language to sell pills to women, planning to "educate women in their natural settings" — including things like Tupperware parties — to normalize and increase demand.
  3. After massive harm and lawsuits, bankruptcy deals offer modest payouts (often $3,500–$16,000) and let the company rebrand and move into addiction treatment, even as many clinicians were misled about how addictive modern opioid therapy really is.

TrumpRx, Super Bowl commercials, flu B is here, and more

Your Local Epidemiologist • 1548 implied HN points • 10 Feb 26
🏥 Health Politics Public Health
  1. Respiratory illnesses are ticking up again — late-winter coughs, sore throats, and fevers are rising due to colds, RSV, and a second wave of flu B, while measles outbreaks (notably in South Carolina) are growing. Flu B often follows flu A and overall season severity is moderate so far, but local impacts vary.
  2. TrumpRx is mostly branding with limited impact — it mainly helps people who pay cash, often won’t count toward insurance deductibles, and can ignore cheaper generics; real, widespread price relief will require stronger policy changes.
  3. Be skeptical of flashy wellness ads — blood-based cancer screening tests can miss cancers and cause false alarms with unclear survival benefits, and shame-based diet messaging backfires; consumers deserve clear tradeoffs and empowering, realistic advice.

Movers and Shakers: Can you sue over Parkinson's?

Rory’s Always On Newsletter • 674 implied HN points • 05 Oct 24
🏥 Health Politics Public Health
  1. It's unclear if people with Parkinson's can sue for their condition. A recent case showed the link between Parkinson's and chemicals like TCE isn't proven enough yet.
  2. The case of Holmes v Poeton involved a worker who claimed his Parkinson's was caused by chemical exposure at work. Courts found the evidence too weak to support this claim.
  3. Studies suggest some chemicals might increase the risk of Parkinson's, but proving direct causation is hard because many factors can influence health conditions.

Measles and echo chambers, fresh science, and more

Your Local Epidemiologist • 658 implied HN points • 27 Feb 26
🔬 Science Public Health
  1. Working with Christian faith-based content creators is a practical way to break echo chambers and better inform faith communities about measles and medical evidence.
  2. New scientific studies are notable, including promising progress for a hard-to-treat breast cancer and an intriguing clue found in the brains of superagers.
  3. A dangerous online trend of making cornstarch fireballs is emerging, creating a fresh public-safety and misinformation concern.

Mountains of Evidence

After Babel • 3214 implied HN points • 14 Jan 26
🏥 Health & Wellness Public Health
  1. Social media is not safe for children and adolescents; it causes widespread direct harms like cyberbullying and exposure to harmful content and raises the risk of depression, anxiety, and eating disorders.
  2. Recent research — including experiments and leaked internal studies from a major platform — provides strong causal evidence that heavy social media use harms young people’s mental health.
  3. Because social media reaches most youth for many hours a day, the harms are large in scale, so parents and policymakers should act now (for example by restricting access or raising the minimum age) to protect children.