Health
Behind R.F.K. Jr.’s Vow to ‘Follow the Science’ on Vaccines
Robert F. Kennedy Jr. spent the first day of his back-to-back confirmation hearings deftly avoiding questions about his views on vaccines. On the second day, when a prominent Republican senator insisted there was no link between vaccines and autism, Mr. Kennedy shot back that a new study “showed the opposite.”
“I just want to follow the science,” Mr. Kennedy declared.
Following the science has been a familiar refrain for Mr. Kennedy, whose confirmation as health secretary appears all but assured in a vote expected Thursday. But the exchange in the Senate raises questions about just what type of science Mr. Kennedy is consulting. It foreshadows how, if confirmed, Mr. Kennedy could continue to sow doubts about vaccines.
Academics have pounced on the study that Mr. Kennedy cited during the hearing, shredding it as methodologically faulty and biased. The study emanated from a network of vaccine skeptics who share some of Mr. Kennedy’s views — an ecosystem that includes the author of the study, the editor of the journal that published it and the advocacy group that financed it.
“We authors were delighted and honored that R.F.K. Jr. referred to our work in his confirmation hearing,” the study’s lead author, Anthony Mawson, said in an email. A spokeswoman for Mr. Kennedy did not respond to a request for comment.
Dr. Mawson, an epidemiologist, said he first met Mr. Kennedy at an autism conference in 2017. Mr. Kennedy cites Dr. Mawson’s research 33 times in his 2023 book, “Vax-Unvax: Let the Science Speak.”
His study was rejected “without explanation” by several mainstream medical journals, Dr. Mawson said. So he turned for advice to Andrew Wakefield, the author of the 1998 study, now retracted, that sparked the initial furor over vaccines and autism. Mr. Wakefield encouraged him to submit the study to a new journal called Science, Public Health Policy and the Law.
That publication is led by some notable vaccine critics, including three who headlined a Washington rally in 2022 with Mr. Kennedy to protest Covid vaccine mandates.
As the nation’s health secretary, Mr. Kennedy “would have wide powers to advance his favored research studies, publications, or scientific data,” according to Lawrence O. Gostin, a public health law expert at Georgetown University. Mr. Kennedy’s critics fear that the public will have neither the time nor the training to sort through a war that seems to pit one study against another, and that the result will be a rapid decline in confidence in vaccines.
“The Mawson paper epitomizes Kennedy’s consistent inability to distinguish junk science from reliable information,” said Dr. John P. Moore, professor of microbiology and immunology at Weill Cornell Medical College, who said that study and some of the others Mr. Kennedy has cited in the past are published by “fringe journals.”
Mr. Kennedy has said that he is not anti-vaccine, but rather in favor of vaccine safety.
“I support the measles vaccine. I support the polio vaccine,” Mr. Kennedy said on the first day of his confirmation hearings. “I will do nothing as H.H.S. secretary that makes it difficult or discourages people from taking it.”
Mr. Kennedy’s insistence that more research is necessary when it comes to vaccine safety has drawn support from some Republicans, who say they welcome his skepticism.
“I don’t understand why my colleagues all of sudden say we can’t question science,” Senator Markwayne Mullin, Republican of Oklahoma, said during one of Mr. Kennedy’s hearings. He added, “When you start looking at the rise of autism, why wouldn’t we be looking at everything?”
But Michael T. Osterholm, an epidemiologist at the University of Minnesota who has advised administrations of both parties, said Mr. Kennedy’s demands for additional data go too far when they concern vaccines and autism. Mainstream scientists say the issue is settled.
“That’s the equivalent of me saying until Newton comes back and shows me that apple falling from the tree, I do not believe gravity exists,” Dr. Osterholm said.
Doctors who have examined the way Mr. Kennedy uses scientific research say he also has a tendency to cherry-pick particular findings from prominent researchers, as he did during a podcast in 2022.
During that appearance, he cited a study published in the journal Pediatrics in 2000 to suggest that improvements in sanitation and hygiene — and not vaccines — fueled a drop in deaths from infectious diseases during the first half of the 20th century. That is true. But Mr. Kennedy failed to note that the study also reported that vaccines introduced in the second half of the 20th century had “virtually eliminated” deaths from diseases including polio and measles.
During one of his confirmation hearings, Mr. Kennedy cited work by a well-known vaccine scientist, Dr. Gregory Poland, to suggest Black people should follow a different vaccine schedule because they needed fewer antigens, the vaccine components that provoke an immune response.
Dr. Poland did not respond to requests for comment. But he told National Public Radio that his work did not support Mr. Kennedy’s assertion.
Mr. Kennedy and Dr. Mawson have long aired similar concerns about vaccines.
In an appearance before the Mississippi legislature in 2009, Dr. Mawson called for more vaccine safety research and “a more flexible approach to vaccination requirements for school attendance.” In a 2011 lawsuit, Dr. Mawson said the testimony had cost him his job as an epidemiologist at the University of Mississippi Medical Center.
In 2017, Dr. Mawson published a pilot study comparing vaccinated to unvaccinated children.
The study relied on a survey of parents who home-schooled their children and found higher rates of autism among vaccinated children, compared with those who had not been vaccinated. The study was funded in part by Generation Rescue, a nonprofit associated with Jenny McCarthy, a television personality who has promoted claims of a link between vaccines and autism.
Dr. Mawson by that time had established the Chalfont Research Institute, a charity that operates out of his home in Jackson, Miss. The institute reported revenue of just $57 in 2021, the most recent figures available.
In 2019, it received charitable contributions of $160,000, tax records show. The bulk of that money, $150,000, came from the National Vaccine Information Center, a group whose mission includes supporting research on “vaccine-associated deaths, injuries and chronic illness.”
Like Mr. Kennedy, the group’s president and co-founder, Barbara Loe Fisher, has long called for research comparing “total health outcomes” including the risk of autism, in vaccinated and unvaccinated children. When Dr. Mawson approached her group with a proposal, she said, the center reviewed his pilot study of 2017, approved his plan and provided $150,000 in funding.
That money paid for the paper Mr. Kennedy cited at the hearing, during an exchange with Senator Bill Cassidy, Republican of Louisiana and a doctor.
The journal that published the study, Science, Public Health Policy and the Law, advertises itself as peer-reviewed, meaning its research is evaluated by anonymous independent experts before publication. Dr. Mawson said his paper had undergone review by two such experts.
Some people associated with the journal are also associated with Mr. Kennedy.
James Lyons-Weiler, the journal’s editor in chief, described himself as a longtime ally of Mr. Kennedy’s in a yearslong “fight across 20 states” for vaccine exemptions.
“Honored to call him my friend,” he wrote on social media last year.
The journal’s editorial board includes the chief executive and the chief scientific officer of Children’s Health Defense, the nonprofit that Mr. Kennedy led until he began his presidential campaign in 2023.
The board also includes members who sell products or services for people who are concerned about vaccines. One of its editorial board members offers $2,350 telehealth appointments for “post-vaccine syndrome.” Another sells $90 “spike detox” supplements marketed for “vaccine injury syndrome” that is meant to get “you back to that pre-Covid feeling.”
The study by Dr. Mawson that Mr. Kennedy cited at the hearing focused on about 47,000 children enrolled in Florida Medicaid from 1999 to 2011 and looked at billing data to determine their vaccination status.
The study found very few billing records for unvaccinated children with autism — eight who were born prematurely and 54 overall. It concluded that vaccination was significantly associated with higher rates of neurodevelopmental disorders, including autism, particularly in infants who were born prematurely.
By contrast, large-scale studies in respected medical journals, including an analysis of five studies involving more than 1.2 million children, have found no association between vaccines and autism.
But even as Dr. Mawson’s research took shape, problems emerged. The paper notes that researchers lost access to the database they used to perform the study. Dr. Alex Morozov, an expert on clinical trial design who met with Dr. Mawson to discuss the study, said he viewed that as a red flag.
Dr. Morozov also said the study had a “fundamental flaw”: It failed to account for the possibility that vaccinated children might have more encounters with the medical system than unvaccinated children, whose illnesses would not be captured by billing data.
The study also failed to account for factors like family history of autism, the child’s gender (boys are diagnosed with higher rates of autism than girls) or the possibility that children might have been vaccinated outside the Florida Medicaid system, said Bertha Hidalgo, an associate professor of epidemiology at the University of Alabama at Birmingham.
Dr. Mawson strongly defended the work, noting that the study “carefully documents both its strengths and limitations,” but contending that critics focused only on the limitations. “Nevertheless,” he said, “further research is needed to replicate the findings and to unravel the mechanisms involved.”
At the Senate hearing, Mr. Cassidy pressed Mr. Kennedy to accept that the vaccines and autism debate was settled. He reminded Mr. Kennedy that he had been shown the study of 1.2 million children that found no link between the two.
“I’m a doc, trying to understand,” Mr. Cassidy said, adding, “Convince me that you will become the public health advocate, but not just churn old information so that there’s never a conclusion.”
To that, Mr. Kennedy replied, “I’m going to be an advocate for strong science. You show me those scientific studies, and you and I can meet about it. And there are other studies as well. I’d love to show those to you.”
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Amid warnings of a Legionnaires’ disease outbreak on Manhattan’s Upper East Side, health experts say that early recognition of symptoms can mean the difference between a quick recovery and life-threatening complications, especially for high-risk groups.
New York City health officials are urging anyone who has visited the east side of Central Park or Manhattan’s Upper East Side since late June to watch for symptoms.
As of July 6, the New York City Health Department had confirmed 23 cases and 17 hospitalizations associated with the respiratory infection. No deaths have been reported.
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Officials are investigating contaminated cooling towers as the likely source. They have emphasized that the illness is not spread person-to-person and is not linked to the city’s drinking water.
Health experts say that early recognition of symptoms can mean the difference between a quick recovery and life-threatening complications, especially for high-risk groups. (iStock)
“Legionnaires’ disease is deadly but can be effectively treated if diagnosed early,” said NYC Health Commissioner Dr. Alister Martin in a press release. “New Yorkers at higher risk, including anyone who is 50 and older, those who smoke or people with chronic lung conditions should be especially mindful of their symptoms and seek care as soon as symptoms begin.”
What is Legionnaires’?
Legionnaires’ disease is a type of pneumonia caused by Legionella bacteria.
The bacteria is usually found in lakes, streams and other freshwater environments, but can grow in any area where water sits for a long time, according to the CDC.
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That can include shower heads, sink faucets, hot tubs, water features/fountains, plumbing systems and other water systems.
When people swallow or breathe in droplets of water that contain Legionella, they can potentially become ill.
Although human transmission is possible in rare cases, the disease is not typically transmitted among people, per the Centers for Disease Control and Prevention.
Symptoms of infection
Infections can lead to severe pneumonia in older people and those with compromised immune systems, according to Dr. Andrew Handel, a pediatric infectious diseases expert at Stony Brook Children’s Hospital on Long Island, New York.
Symptoms of Legionnaires’ disease usually show up between two and 14 days after exposure.
New York City health officials are urging anyone who has visited the east side of Central Park or Manhattan’s Upper East Side since late June to watch for symptoms. (iStock)
“Legionella infections cause symptoms that are similar to other forms of pneumonia — fever, coughing, difficulty breathing, shortness of breath and chest pain,” Handel previously told Fox News Digital.
“Legionnaires’ disease is deadly but can be effectively treated if diagnosed early.”
The signs are similar to other types of pneumonia, and include the following:
- Cough
- Fever
- Shortness of breath
- Muscle aches and headaches
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Some patients may also experience nausea, diarrhea and confusion, the CDC noted.
Diagnosis, treatment and prevention
A medical professional can diagnose the infection with laboratory tests and chest X-rays.
The condition is typically treated with antibiotics. In cases of severe infection, hospitalization may be required for breathing support and IV hydration.
Around 10% of people who contract Legionnaires’ disease will die from those complications — and the mortality risk rises to 25% for those who get Legionnaires’ while staying in a healthcare facility, according to the CDC.
The bacteria is usually found in lakes, streams and other freshwater environments, but can grow in any area where water sits for a long time, according to the CDC. (iStock)
“Treatment needs to be early and aggressive,” Dr. Nathan Goodyear, an Arizona-based integrative medicine expert, previously told Fox News Digital. “Legionella infection is an intracellular infection that requires antibiotic treatment.”
Antibiotics that are appropriate for Legionella infection include Levofloxacin and Azithromycin.
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“Therapy can be prescribed orally in healthy individuals… but intravenous antibiotics often prove to be the initial option for treatment secondary to the pathogenicity of the disease,” Goodyear said.
Currently, there are no vaccines for Legionnaires’ disease.
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The best strategy to prevent infection is to reduce the growth and spread of the Legionella bacteria. The CDC recommends that building owners and managers use a water management program to reduce the risk.
“New Yorkers at higher risk, including anyone who is 50 and older, those who smoke or people with chronic lung conditions should be especially mindful of their symptoms and seek care as soon as symptoms begin,” city officials stated. (iStock)
To prevent serious illness from Legionnaires’, Goodyear recommends that all smokers kick the habit, and also emphasizes the need to “aggressively support” chronic pulmonary disease.
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“Increasing immune support (vitamin D3, vitamin C, Zinc) is required to counter the immune dysfunction associated with advancing age.”
Obesity is another foundational risk factor for all chronic inflammatory diseases, the doctor added.
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Journalist Katie Couric is sharing a scary medical episode that she experienced on June 27.
In a post on Substack titled “The Day I’ll Never Remember,” she detailed a sudden episode that left her unable to recall the current month, year and president.
“I thought it was 2024. And I believed Joe Biden was president,” she wrote.
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The event occurred while Couric was attending the Aspen Ideas Festival in Colorado, during which she participated in two public panels — one on AI and one on journalism — both of which she cannot remember at all.
“I have no idea what we talked about, or of what occurred when the panels ended,” she said.
Journalist Katie Couric is sharing a scary medical episode that she experienced on June 27. (Getty Images)
John Molner — Couric’s husband, who was in attendance at the festival and the two panels — also shared his account.
After the event, someone told Molner that Katie wasn’t feeling well. When he reached her, an EMT and a doctor were tending to her. “I could tell something was off,” he wrote. “It could have been altitude sickness, but Katie was definitely not all there.”
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At the hospital, when Couric struggled to recall the year, the president and her grandchildren’s names, doctors began checking for a stroke.
An MRI revealed no signs of stroke, which was a relief, but “Katie’s ‘fog’ became a lot more apparent,” Molner wrote.
John Molner, Couric’s husband, who was in attendance at the festival and the two panels, also shared his account. (Getty Images)
“She repeatedly asked me the same questions: ‘What was I doing before we got to the hospital?’ ‘Why am I at the hospital?’”
Couric was ultimately diagnosed with transient global amnesia, a sudden, temporary episode of memory loss that prevents a person from forming new memories and may also erase some recent memories, according to Mayo Clinic.
“The cause seems to be as mysterious as the brain itself.”
It is not caused by a stroke, seizure or head injury, and it usually resolves completely within 24 hours.
“[It’s] just a very weird neural episode that’s pretty uncommon and, at least in most cases, is a ‘one and done’ experience,” Molner said.
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Couric said she finally began feeling “like herself” again around 9 p.m. and went to sleep at 2 a.m.
As TGA leaves a “permanent gap in memory” for the duration of the episode and for hours beforehand, Couric said that from around noon on that day until at least 7 p.m. will remain a “big, black hole.”
As TGA leaves a “permanent gap in memory” for the duration of the episode and for hours beforehand, Couric said that from around noon on that day until at least 7 p.m. will remain a “big, black hole.” (Getty Images)
Data shows that approximately three to eight people per 100,000 will have an episode of transient global amnesia, with people 50 years of age and older at higher risk.
The specific cause of TGA is not known, but some experts believe it stems from a “temporary dysfunction in the brain’s hippocampus — the area responsible for creating new memories,” Couric shared.
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“Doctors believe this is driven by brief interruptions in blood or oxygen flow, or microscopic spasm in the blood vessels.”
Episodes could potentially be triggered by intense physical exertion, emotional distress, extreme temperature changes or migraines, experts say.
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Approximately 15% of patients will have a recurrence 10 years later.
“Why did this happen to me? Was the altitude an issue? Was I dehydrated? Tired? Stressed? The literature doesn’t seem to indicate that these are contributing factors, but the cause seems to be as mysterious as the brain itself,” Couric wrote.
Anyone who experiences sudden memory loss, confusion, difficulty speaking, weakness, numbness, vision changes, severe headache or other stroke-like symptoms should seek immediate medical attention or call 911, doctors advise. (iStock)
“All I know is that those hours will be forever lost. Someone described it as my brain failing to hit the ‘record button.’”
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“While this was a freaky occurrence, it could have been much more serious. So ultimately, I’m relieved — even though several hours of a Saturday in June will always be missing for me.”
Anyone who experiences sudden memory loss, confusion, difficulty speaking, weakness, numbness, vision changes, severe headache or other stroke-like symptoms should seek immediate medical attention or call 911, doctors advise.
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Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers.
That’s according to a recent study led by Stony Brook Medicine in New York, which evaluated the cognitive function of 4,000 adults 80 and over who participated in multiple aging and longevity studies over several years.
Among this group, 6% to 10% were classified as super movers, which means they walk at a much faster pace than others of the same age and gender — at speeds comparable to people three decades younger.
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The super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed.
The findings were published in the journal Neurology on June 16.
Older adults identified as “super movers” are about half as likely to develop cognitive impairment than their peers. (iStock)
“The study reinforces that mobility and brain health are closely connected,” lead study author Dr. Joe Verghese, MD, neurologist at Stony Brook Medicine, told Fox News Digital. “This suggests that preserving mobility may be an important marker of healthy brain aging and resilience.”
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The most intriguing finding, according to Verghese, was that super movers maintained cognitive function despite having similar dementia-related brain changes as their peers.
In postmortem brain analysis, there was no difference in dementia-related pathologies between the super movers and the slower walkers, the study stated.
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“This suggests they may possess resilience mechanisms that help preserve brain function even in the presence of age-related changes,” he said. “Understanding these resilience factors could lead to new strategies for promoting healthy brain aging.”
As the study was observational, there were some limitations, and it does not prove that walking faster prevents dementia, the researchers noted.
Super movers were found to have about half the risk of cognitive decline compared to seniors with typical gait speed. (iStock)
“Other factors, such as cardiovascular health, physical fitness or genetics, may also contribute to both faster walking and better cognitive outcomes,” Verghese said.
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This study adds to growing evidence that what’s good for the heart and muscles also benefits the brain, he noted, adding that “staying physically active remains one of the most effective, evidence-based ways to support healthy aging.”
“Walking speed is best viewed as a marker of overall health, not a treatment.”
“The broader message is that physical activity is important at any age,” Verghese said. “Walking is an easy step-up point because you don’t need any special equipment. You can do it inside or outdoors, and you can do it on a regular basis. You can walk with a dog, you can walk with a friend.”
Any activity is beneficial if it’s done regularly and with the right intensity, he added.
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Rather than just trying to walk faster, the neurologist recommends that seniors focus on maintaining mobility through regular physical activity, strength training, balance exercises and good cardiovascular health.
“Walking speed is best viewed as a marker of overall health, not a treatment,” Verghese noted.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking.
Major public health guidelines from the CDC and U.S. Physical Activity Guidelines recommend at least 150 minutes of moderate-intensity aerobic activity each week, such as brisk walking. (iStock)
This can be achieved by walking 30 minutes a day, five days a week, or about 20 to 25 minutes most days. Another option is to engage in shorter sessions that add up over the day.
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“You have to do it within your health limitations and medical conditions,” Verghese advised. “So if there are any medical concerns, I would get your physician to clear you before starting exercise.” The good thing about walking, he added, is that you can start at a slow pace and then gradually build up to a brisker pace.
“And then adding on strength and balance training, whatever age you are, I think is also important.”
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