Health
Guarded N.I.H. Nominee Faces Sharp Questions on Vaccines and Research Cuts
Under hostile questioning from senators of both parties, Dr. Jay Bhattacharya, President Trump’s nominee to lead the National Institutes of Health, said on Wednesday that he was “convinced” vaccines did not cause autism even as he urged more research on the question, which scientists say has long been settled.
The hearing became a battlefield for the Trump administration’s early actions on health, including Health Secretary Robert F. Kennedy Jr.’s reluctance to explicitly recommend vaccinations in the midst of a deadly measles outbreak in West Texas.
“I fully support children being vaccinated for diseases like measles,” Dr. Bhattacharya, a health economist and professor of medicine at Stanford University, told the Senate Health Committee. But to assuage skeptical parents, he also said scientists should conduct more research on autism and vaccines — a position that senators from both parties noted was at odds with extensive evidence showing no association between them.
If confirmed, Dr. Bhattacharya would lead the world’s largest funder of biomedical research, a sprawling agency with a $48 billion budget and 27 separate institutes and centers that has long been praised by lawmakers on both sides of the aisle.
Recently, though, the N.I.H. has been rocked by Trump administration moves that blocked key parts of its grant-making apparatus and resulted in the firing of roughly 1,200 employees. Together with other lapses and proposed changes in N.I.H. funding, the administration’s actions have rattled the biomedical research industry, which is responsible for driving pharmaceutical advancements and generating tens of billions of dollars in economic activity each year.
Hours before Wednesday’s hearing, the Department of Government Efficiency, the cost-cutting group led by Elon Musk, trumpeted the cancellation of N.I.H. grants.
Asked about blockages to N.I.H. funding during the hearing, Dr. Bhattacharya repeatedly dodged, saying only that he would ensure scientists had the resources they needed. He vowed to direct funding toward the causes of chronic disease — a priority of Mr. Kennedy’s — and to create a “culture of dissent” that encourages the challenging of prevailing views.
He also promised to scrutinize research findings that were not borne out by subsequent studies and fund the most innovative research, producing “big advances” rather than “small, incremental progress.”
But it was Dr. Bhattacharya’s resistance to weigh in on N.I.H. funding stoppages and his equivocal answers on vaccines that drew the ire of Democrats and some Republicans.
In one contentious exchange, Senator Bill Cassidy of Louisiana, the committee’s Republican chairman, lamented that Dr. Bhattacharya had stopped short of saying the question of whether vaccines cause autism had been resolved.
“It’s been exhaustively studied,” said Mr. Cassidy, a doctor and fierce supporter of vaccination. “The more we pretend like this is an issue, the more we will have children dying from vaccine-preventable diseases.”
Dr. Bhattacharya responded that more research was needed as long as American parents were concerned enough not to vaccinate their children. “My inclination is to give people good data,” he said.
To that, Mr. Cassidy suggested that there already was good data, and that “precious limited taxpayer dollars” could not be devoted to every last fringe theory.
“There’s people who disagree that the world is round,” he said. “People still think Elvis is alive.”
Dr. Bhattacharya would not say whether he supported the Trump administration’s changes to N.I.H. funding, telling senators he had nothing to do with them. That did not stop numerous Democrats and one Republican, Senator Susan Collins of Maine, from attacking the changes, including a proposal to cap overhead costs. A judge has temporarily blocked that proposal.
“To impose this arbitrary cap makes no sense at all,” Ms. Collins said. “This is against the law.”
Dr. Bhattacharya, who has a medical degree and is a professor of medicine but never practiced, burst into the spotlight in October 2020, when he co-wrote an anti-lockdown treatise, the Great Barrington Declaration. It argued for “focused protection” — a strategy to protect the elderly and vulnerable while letting the virus spread among younger, healthier people.
Many scientists countered that walling off at-risk populations from the rest of society was a pipe dream.
The nation’s medical leadership, including Dr. Francis S. Collins, who retired last week, and Dr. Anthony S. Fauci, then director of the National Institute of Allergy and Infectious Diseases, denounced the plan. Referring to Dr. Bhattacharya and his co-authors as “fringe epidemiologists,” Dr. Collins wrote in an email that “there needs to be a quick and devastating takedown of its premises.”
Dr. Bhattacharya told senators on Wednesday that he had been “subject to censorship by the actions of the Biden administration.” Past N.I.H. officials, he said, “oversaw a culture of cover-up, obfuscation and a lack of tolerance for ideas that differ from theirs.”
But Dr. Bhattacharya’s championing of “scientific dissent” has sometimes clashed with his own actions. Until resigning late last year, he sat on the board of Biosafety Now, a group that promoted prosecuting “those culpable for covering up” the cause of Covid. Supporters of the theory that Covid leaked from a lab have often used that designation to refer to scientists who took different views.
On Wednesday, Dr. Bhattacharya waded again into the question of a laboratory leak, and whether N.I.H.-funded research at a virology laboratory in China led to one.
There is no direct evidence of the coronavirus escaping from a lab. Much published scientific research points instead to the virus emerging at a market in Wuhan, China, where wild animals were being illegally sold.
But Dr. Bhattacharya said that N.I.H.-supported research “may have caused the pandemic.” (The C.I.A. also recently swung in favor of the lab leak theory, though there was no new intelligence behind its shift and the agency has produced no direct evidence.) And Dr. Bhattacharya cast doubt over the future of American research on dangerous viruses, saying that the N.I.H. should not be doing “any research that has the potential to cause a pandemic.”
There has long been spirited debate over what type of research constitutes such a risk, and whether limiting that research would reduce the likelihood of another pandemic or instead undercut preparations for one.
Several senators noted that Dr. Bhattacharya had in the past received N.I.H. funding for his work. Some of that work, researchers have noted, may very well have run afoul of the Trump administration’s recent crackdown on certain types of science. The administration has targeted research related to climate science, for example, as well as studies touching on diversity, equity and inclusion.
In one ongoing project, Dr. Bhattacharya and several collaborators proposed using data from the Mexican Health and Aging Study, a longitudinal study of older Mexicans, to look at how climate change and workplace environmental exposures were related to disparities in Alzheimer’s disease.
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No sex for the win? This was the advice given to this year’s NBA champions.
New York Knicks owner James Dolan addressed the now-champs as they headed into the playoffs in April 2026, acknowledging their high potential to eventually win the championship.
“I don’t know if you understand what it would mean for you to win a championship this year … It would be life-changing,” he said. “It will stick with you the rest of your lives, and if you don’t win, you’ll be thinking about it the rest of your lives.”
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As Dolan’s inspirational speech to the team went on, he explained how the next 10 weeks would require each player to make sacrifices – watching their diets, getting proper sleep and perhaps even abstaining from sex.
“You need sacrifice and you need to eliminate all the distractions around you,” he said.
Jalen Brunson of the New York Knicks celebrates with the Bill Russell NBA Finals Most Valuable Player Award trophy and Knicks owner James Dolan after defeating the San Antonio Spurs in Game Five of the 2026 NBA Finals at Frost Bank Center in San Antonio, Texas, on June 13, 2026. (Gregory Shamus/Getty Images)
“I had this idea that maybe you should give up sex for the next 10 weeks,” the owner said. “You don’t have to give up sex for the next 10 weeks – but, like the Spartans … They denied themselves, so that they can have an edge. Get the edge.”
This received a few snickers from the team, and Dolan responded, “Don’t tell [your wives and girlfriends] you’re not going to have sex and don’t tell them it was my idea. But let them know what this is going to be like … and how they’re going to have to sacrifice, too.”
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Dr. Anna Elton, licensed marriage and family therapist and clinical sexologist in Massachusetts, confirmed that this belief has been around for centuries, dating back to the ancients Spartans and early Olympic competitors.
Avoiding sex can preserve energy, increase aggression and sharpen focus, according to Elton.
The theory behind abstaining from sex for better athletic performance supports that it can preserve energy, increase aggression and sharpen focus. (iStock)
But modern research has found little evidence that consensual sexual activity negatively impacts strength, endurance, reaction time or athletic performance when it occurs at least 10 hours before competition, the doctor countered.
However, “activity very close to competition may affect recovery measures,” she added. What may be more important, according to Elton, is the psychological value of abstinence.
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“Choosing to abstain can reinforce discipline and total commitment to a larger goal,” she said. “In those cases, the advantage may come more from mindset and focus than from any physical effect.”
“Whether the sacrifice is alcohol, social activities, favorite foods or sex, the message is often the same: ‘We are all in.’”
New York Knicks guard Jalen Brunson celebrates with teammates after the Knicks defeated the San Antonio Spurs in game five of the 2026 NBA Finals at Frost Bank Center in San Antonio, Texas, on June 13, 2026. (Geoff Burke/Imagn Images)
The science of abstinence
This discussion has historically focused on men, which Elton said is often based on “misconceptions about testosterone and energy depletion.”
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“Research has not demonstrated that normal sexual activity causes a meaningful decline in athletic performance, and concerns about testosterone depletion have not been consistently supported by the evidence,” she said.
“For women, sexual activity may have additional benefits related to stress reduction, emotional regulation and relationship satisfaction.”
Abstaining from sex for athletic performance may create a sense of discipline, minimize distractions, maintain focus on training and reinforce a team culture centered on sacrifice and commitment, experts say. (iStock)
In a separate interview with Fox News Digital, Dr. Anthony Puopolo, a men’s health expert and lead medical provider for RexMD, echoed Elton’s assessment that research largely does not support abstinence as a performance enhancer.
This is despite a small amount of evidence that suggests engaging in sexual activity within two hours of competition could pose a risk to cardiovascular recovery.
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“Unfortunately, nearly all studies (99%) have been conducted in males aged 20 to 40, so there is virtually no data on female athletes, older athletes or diverse populations,” said the Puerto Rico-based expert. “We know what to tell the Knicks, but we are not sure what to recommend for the New York Liberty.”
Importance of connection
Elton said abstinence may still offer psychological benefits for some competitors. “For some athletes, it can become part of a pre-competition ritual that enhances confidence,” she told Fox News Digital.
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Some other potential benefits of sexual activity include stress reduction, improved sleep, mood enhancement, emotional connection with a partner and relief from performance-related tension.
“Strong, supportive relationships are associated with better psychological resilience, which can be valuable during high-pressure competitions,” Elton said.
“One of the most overlooked performance advantages may be having a supportive relationship waiting at home,” a doctor said. (iStock)
“Ultimately, there is no universal rule,” she went on. “What helps one athlete perform at their best may not help another.”
Elton stressed that sleep, recovery, nutrition, stress management and support from loved ones are universal performance boosters.
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“Athletes devote tremendous attention to training their bodies, while overlooking the importance of their personal relationships,” she cautioned. “A supportive partner can be one of the greatest assets during a demanding season.”
“If competition requires temporary sacrifices, make those decisions together and keep communication open.”
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Eliminating sugar from your diet may seem like the key to healthy eating, but research suggests it could have unintended effects on digestive health.
A study presented at ENDO 2026, the Endocrine Society’s annual meeting, suggests that a total lack of sucrose, or table sugar, may harm gut health and disrupt the body’s natural metabolism.
To explore how the total absence of dietary sugar impacts the body, researchers at the Dasman Diabetes Institute in Kuwait City conducted a 16-week study on two groups of mice. Both groups were placed on a low-fat diet, but with one critical difference.
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One group consumed a low-fat diet that included a standard amount of sucrose, while the other group ate a low-fat diet that was completely sugar-free, according to the study’s press release.
Throughout the trial, the scientists monitored a wide variety of physiological factors, including the animals’ weight, glucose tolerance, insulin sensitivity, hormone levels, internal inflammation and the specific composition of their gut bacteria.
A total lack of dietary sugar can cause imbalances in the gut bacteria and lead to signs of fatty liver disease, even without any weight gain, researchers said. (iStock)
The study outcome suggested that completely removing sugar caused several unexpected health problems.
“Completely removing sucrose from a low-fat diet may unexpectedly disrupt gut health and promote inflammation and metabolic dysfunction,” Rasheed Ahmad, principal scientist and head of the Immunology & Microbiology Department at the Dasman Diabetes Institute, said in the release.
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Even though the mice on the sugar-free diet did not gain any extra weight compared to the control group, their internal health indicators deteriorated.
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The animals that lacked sucrose developed an imbalance in their gut microbes and increased inflammation within the intestines and liver.
They also showed signs of poor glucose regulation, insulin resistance and cellular changes associated with fatty liver disease, according to the research.
Future dietary guidelines may shift away from strict, absolute sugar bans and instead focus on overall gut health through balanced nutrition. (iStock)
“The findings suggest that complete removal of sucrose from a low-fat diet may negatively affect gut microbiota and metabolic health,” Ahmad concluded.
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While the risks of high-sugar diets are well-established, the researchers noted that little attention has been given to the effects of completely eliminating sugar from low-fat meals.
Scientists say these new findings highlight that dietary carbohydrates play a valuable role in supporting balance between the immune system and the gut microbiome.
Completely cutting sucrose from a low-fat diet can unexpectedly trigger gut inflammation and disrupt the metabolism, experts say. (iStock)
Because this research was conducted on mice over a relatively short 16-week period, further clinical trials are necessary to determine whether a completely sugar-free diet causes the same gut and liver inflammation in humans.
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Additionally, the study focused specifically on removing sucrose from low-fat meals, meaning the results might not apply to people eliminating sugar while following higher-fat or ketogenic eating plans, the researchers noted.
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The team believes that future dietary guidelines may shift away from strict, absolute sugar restrictions and instead place a greater emphasis on maintaining a diverse, healthy population of gut bacteria through balanced nutrition.
“In the long term, these findings could help improve strategies for preventing and managing metabolic disorders, fatty liver disease and chronic inflammatory conditions,” Ahmad said.
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