Health
Experts Doubt Kennedy’s Timetable for Finding the Cause of Autism
Robert F. Kennedy Jr., the nation’s health secretary, pledged on Thursday to seek out experts globally to discover the reasons for the increasing rates of autism in the United States.
“We’ve launched a massive testing and research effort that’s going to involve hundreds of scientists from around the world,” Mr. Kennedy announced at a cabinet meeting held by President Trump. “By September, we will know what has caused the autism epidemic and we’ll be able to eliminate those exposures.”
“There will be no bigger news conference than that,” Mr. Trump replied.
But scientists who have worked for decades to find a cause greeted Mr. Kennedy’s predicted timeline with skepticism.
They said that a single answer would be hard to identify in a field of possible contributors including pesticides, air pollution and maternal diabetes.
Dr. Philip Landrigan, a pediatrician and expert on environmental toxins, pointed to the current mass layoffs and cutbacks for research at Mr. Kennedy’s Department of Health and Human Services as one reason for doubting such quick progress.
“Given that a great deal of research on autism and other pediatric diseases in hospitals and medical schools is currently coming to a halt because of federal funding cuts from H.H.S.,” he said, “it is very difficult for me to imagine what profound scientific breakthrough could be achieved between now and September.”
Mr. Kennedy’s office did not offer many details on the plan. Later on Thursday, Mr. Kennedy revealed a few more clues, saying that the National Institutes of Health would lead the effort.
He said the Centers for Disease Control and Prevention would soon release data showing that the autism diagnoses had now increased to one of every 31 children. Many scientists and doctors attributed the rise in autism rates over the last several decades in part to growing awareness of the disorder and to expanded diagnoses along a spectrum.
“We are launching requests to scientists from all over the country and all over the world,” Mr. Kennedy said in an interview on Fox News. “Everything is on the table: our food system, our water, our air, different ways of parenting, all the kind of changes that may have triggered this epidemic.”
In the interview, Mr. Kennedy also said an important part of the effort would be to compare autism rates in vaccinated and unvaccinated children. It’s an angle that many scientists dismiss, saying that parents who vaccinate their children are also more likely to get a diagnosis, given higher rates of interaction with health providers.
Many scientists who have observed Mr. Kennedy’s dogged opposition to many vaccines over two decades — and his frequent attempts to tie autism to vaccines — have dismissed his claims, citing the scientific consensus that debunked any such link. Scrutiny of his pledges to begin “gold standard” research only heightened in recent weeks when David Geier, a largely discredited researcher, was hired at H.H.S. to study any potential link between vaccines and autism.
Irva Hertz-Picciotto, director of environmental epidemiology of neurodevelopment at the University of California at Davis MIND Institute, said she had been seeking a cause for autism for 20 years.
It’s an exciting time for the field, she said, with multiple studies beginning to point to factors that could play a role. Among the possible links are pesticide exposure through food or nearby agricultural fields; workplace exposures to solvents; fevers or infections during pregnancy; maternal diabetes; and exposure to chemicals in plastics called phthalates or to PFAS, known as “forever chemicals” for their tendency to persist in the environment.
Some studies have found that the effect of environmental exposures can vary based on a person’s genes, “emphasizing the complexity of this syndrome.” Dr. Hertz-Picciotto said it was challenging to get funding for clinical studies that could shed light on a cause of autism, but new research could help advance the field. Those studies, though, could take years.
That all of the research could be sorted out by September, she said, was “ludicrous.”
Dr. Alice Kuo, the chief of pediatric medicine who cares for children and adults with autism at the University of California, Los Angeles, said she was involved in a yearslong project by the National Institutes of Health called the National Children’s Study. It followed thousands of children and parents and elicited information, including the possible causes of autism. The study was costly and ended far earlier than planned, Dr. Kuo said.
She said an effort to do something as rigorous would take months to plan and design — and years to arrive at an answer.
In a social media post on Thursday, Mr. Kennedy recognized the assistance of the president and the Make America Healthy Again Commission — a subgroup of the cabinet that includes Linda McMahon, the education secretary, and Russell Vought, director of the Office of Management and Budget. Like Mr. Kennedy, they are not doctors or scientists.
“Thanks to your MAHA Commission, we’ll soon identify the root causes of the autism epidemic,” Mr. Kennedy wrote in a social media post.
Created by an executive order in February, the commission is charged with assessing in 100 days the threat to children of food ingredients, chemicals, medications and other exposures. Within 180 days, the commission is expected to submit a strategy to the president to address its findings.
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Comedian Amy Schumer, 44, has recently come clean about her struggle with Cushing’s syndrome, leading to a dramatic weight loss.
Schumer’s transformation has sparked conversation online, to which she responded in a now-deleted Instagram post that shut down speculation about cosmetic enhancements.
“I didn’t lose 30lbs — I lost 50,” she emphasized on social media, adding that she does not get Botox or filler.
AMY SCHUMER DROPPED 50 POUNDS TO BATTLE DISEASE THAT ‘CAN KILL YOU’ IF UNTREATED
Schumer doubled down that her weight loss was not about her appearance, but about staying alive.
“Not to look hot, which does feel fun and temporary,” she said. “I did it to survive. I had a disease that makes your face extremely puffy that can kill you, but the internet caught it and that disease has cleared.”
Amy Schumer attends Variety’s 2024 Power of Women: New York event on May 2, 2024, in New York City on the left. On the right, Schumer later poses for a photo posted to Instagram after her weight loss. (Marleen Moise/WireImage; Amy Schumer/Instagram)
“Sorry for whatever feeling it’s giving you that I lost that weight,” she added. “I’ve had plastic surgery over the years and I use [Mounjaro]. Sorry to anyone they let down. I’m pain free. I can [play] tag with my son.”
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The actress also addressed her shifting hormones, saying that she’s “happy to share more if anyone has any questions about how I’m looking or feeling or where I am in my perimenopause process.”
“I didn’t lose 30lbs — I lost 50,” Schumer emphasized on social media, adding that she does not get Botox or filler. (Amy Schumer/Instagram)
What is Cushing’s syndrome?
Schumer previously revealed that she had been diagnosed with Cushing’s syndrome, a hormonal disorder that can cause extreme swelling, fatigue and potentially fatal complications.
Dr. Peter Balazs, a hormone and weight loss specialist in New Jersey, provided more details on the condition in an interview with Fox News Digital.
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“Cushing’s syndrome is caused by prolonged, high exposure to cortisol, which is your body’s main stress hormone,” he said. “Usually, the excess cortisol is a result of prolonged steroid use. We see this many times with patients who have some autoimmune disorder.”
Balazs said the “key” to Cushing’s syndrome is not just weight gain, but a “specific redistribution” of fat caused by too much cortisol.
Amy Schumer is photographed during a guest interview on The Tonight Show Starring Jimmy Fallon on Feb. 13, 2024 (left), and later seen walking through midtown New York City on Oct. 28, 2025 (right). (Todd Owyoung/NBC via Getty Images; Raymond Hall/GC Images/Getty Images)
Fat may be driven to the abdomen, chest, upper back (referred to as a “buffalo hump”) or face, sometimes considered “moon face,” the doctor said.
Cortisol also breaks down protein, which leads to a thinning in the arms and legs. “Weight gain can be tough, involuntary and hard to manage,” Balazs added.
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Cortisol stimulates “hunger centers” in the brain, raises blood sugar and promotes fat storage, especially deep belly fat, according to the doctor.
Cushing’s syndrome can also cause high blood pressure, bone loss and sometimes type 2 diabetes, per Mayo Clinic.
In addition to weight gain in certain areas, other symptoms may include pink or purple stretch marks on the stomach, hips, thighs, breasts and underarms, as well as acne, slow wound healing, and thin, frail skin that bruises easily.
With Cushing’s syndrome, fat may accumulate in the abdomen, chest, face or upper back (referred to as a “buffalo hump”). (iStock)
Women with Cushing’s syndrome often experience thick, dark hair on the face and body, as well as irregular periods. Symptoms among men can include a lower sex drive, reduced fertility and erectile dysfunction.
Mayo Clinic listed other potential symptoms, including extreme fatigue, muscle weakness, depression, anxiety, irritability, mood swings, trouble with concentration and memory, headache, sleeplessness, skin darkening and stunted growth in children.
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Those with symptoms should contact their doctor immediately, especially if they are taking steroids to treat health issues like asthma, arthritis or inflammatory bowel disease, as these medications can exacerbate the condition.
The Mayo Clinic has reported that the “sooner treatment starts, the better the chances for recovery.”
“I’ve had plastic surgery over the years and I use [Mounjaro],” Schumer stated in a social media post. (George Frey/Bloomberg)
For patients like Schumer, weight loss is typically not the main goal, Balazs noted, but it is a “critical sign” of successful treatment.
“The primary goal is to normalize your high cortisol levels,” he said. “I believe Amy Schumer got treated first for her underlying problem. Once the cortisol is normalized, which is the most important step, there’s a role to use adjunct medications to decrease weight.”
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Among GLP-1s, Mounjaro is an “excellent choice to decrease deep belly fat and increase insulin sensitivity of cells,” Balazs added.
Fox News Digital’s Stephanie Giang-Paunon contributed to this report.
Fox News Digital reached out to Schumer’s rep requesting comment.
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