Health
Ivanka Trump's jiu-jitsu practice benefits whole family, celebrity trainers reveal
First daughter Ivanka Trump has gone public with her practice of jiu-jitsu.
In a recent Instagram post by martial artists The Valente Brothers, Trump showed off her mastered maneuvers with trainer Gui Valente.
Trump recently shared that her daughter, Arabella, first started taking classes before the entire family joined.
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Supermodel Gisele Bündchen, who has also trained with the Valente brothers and is the mother of Joaquim Valente’s child, has publicly called out the benefits of her own jiu-jitsu practice.
“I feel stronger, more confident and empowered since I started practicing self-defense,” she said in a previous Instagram post. “I feel it’s an important skill for all, but especially for us women.”
In an on-camera interview with Fox News Digital, the three Valente brothers — Pedro, Gui and Joaquim, who are based in Miami, Florida — shared why a self-defense practice like jiu-jitsu is a great physical and mental workout for the whole family.
“We have students starting as young as 3 years old and as old as 87 continuing their training,” Joaquim Valente said. “It creates an opportunity for everyone to engage.”
For kids facing bullying, the practice helps them develop the physical confidence to protect themselves and parents wind up tagging along, according to Joaquim.
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“Saturday, we call it family day here at Valente Brothers,” he said. “We have so many families that come together, and they train with their kids.”
The art of jiu-jitsu
The martial art, which originated from samurai warriors in medieval Japan, started to become popular in the U.S. during the 20th century, when then-President Teddy Roosevelt practiced it in the White House.
For the last 30 years, the Valente brothers, whose family is originally from Brazil and trained with world-renowned Brazilian martial artist Helio Gracie, have specialized in teaching jiu-jitsu as both a self-defense tool and a path to wellness.
The Valente brothers, (left to right) Gui, Pedro and Joaquim, operate several jiu-jitsu facilities in the U.S. At right, Ivanka Trump is shown training in jiu-jitsu with the Valente brothers. (Valente Brothers; Instagram/@valentebrothers)
The brothers focus on a “7-5-3 code” philosophy, which is intended to create “spiritual, mental and physical wellness.”
Joaquim Valente shared that their instruction focuses on empowering people for various situations, like being put in a headlock or preparing for a punch.
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Gui Valente added that jiu-jitsu can also provide health benefits, noting that their predecessors were doctors — including their father, Grand Master Pedro Valente Sr., who was a plastic surgeon.
“He often talked about how what he learned on the mat helped tremendously with his career,” Gui said. “All the fundamentals of jiu-jitsu, the philosophical aspect of jiu-jitsu, can be beneficial on and off the mat.”
Pedro Valente, pictured, also trains members of the U.S. military. (Valente Brothers)
“Self-defense is a human necessity,” Pedro Valente added. “Our style of jiu-jitsu gives students this opportunity even if they’re very busy with their lives – with business and work and family – they still can come in and learn a very powerful system of self-defense but in a very safe way.”
Jiu-jitsu is an “exercise of the mind,” the brothers described, which makes it a great mindfulness practice amid the stresses of daily life.
Maneuvers to master
The brothers repeated that their 7-5-3 philosophy – which represents the seven virtues of a warrior, five keys to health and three states of mind – is lesson No. 1 in learning self-defense.
Simple techniques — like learning how to release control if someone grabs you by the wrist and pulls, or if someone places two hands around your neck with the intention to choke — are a basic necessity, Joaquim Valente noted.
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Another essential technique of jiu-jitsu is learning how to fall without being injured.
But the best self-defense technique, according to the trainers, is avoiding confrontation altogether.
“We want to think about self-defense even before the fight happens,” Gui Valente said. “When we talk about situational awareness, we also talk about teaching students risk management.”
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Pedro Valente also discussed the importance of emotional balance and developing a “sense of poise” when approached with danger.
“When you are in a state of panic, the frontal lobe of your brain is not functioning well, you’re not going to be able to rationally decide what’s the best escape route,” he told Fox News Digital.
“The best self-defense is always avoidance. If you get into a physical fight, you’re already a step behind.”
Pedro added that having emotional balance also helps to avoid “petty arguments, bickering, that many times will lead to a fight.”
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“Anticipation is key — and the only way to anticipate is to be present,” he said, emphasizing the importance of being connected to one’s surroundings.
“Presence is something that can really enhance our mental state and, at the same time, allow us to anticipate a problem that might be happening around us.”
Self-defense in schools
The three brothers, who are all fathers to young children who train, shared their goal for jiu-jitsu to be taught more widely in schools as physical education.
The brothers have been leading this movement in the Miami area, where a few instructors have been teaching in some schools.
“We consider it to be the best form of PE,” Gui Valente said. “It really complements the academics … and what develops into physical confidence, improves children’s self-esteem.”
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Pedro Valente echoed that this education is a “powerful combination of intellectual and physical confidence.”
“Jiu-jitsu — and this is something that we work on with psychologists and therapists — is one of the key ways to address these common problems that every kid faces,” Gui Valente added.
Gui Valente holds baby Arthur, the son of Joaquim Valente and model Gisele Bundchen, in his first kimono. (Valente Brothers)
The brothers also emphasized that jiu-jitsu has helped students of all ages with weight loss due to the physical elements of the sport, as well as nutritional awareness.
“Self-defense is a human necessity.”
“You work every single muscle in your body and in different ways,” Gui Valente said. “You have to be able to develop great stamina, because when you spar, you have to last for sometimes 20 to 30 minutes, or even longer than that.”
“You have to learn how to use strength efficiently, which is truly important in pretty much any exercise you choose to practice, as well as flexibility and mobility.”
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In a dramatic turn of events that’s captured the attention of animal lovers worldwide, Punch — the young macaque at a zoo in Japan famous for his inseparable bond with a stuffed orangutan toy — has reached a major milestone in his journey toward social integration.
On Thursday, visitors and staff at the Ichikawa Zoological and Botanical Garden witnessed a breakthrough: Punch was seen cuddling with and hitching a ride on the back of a fellow macaque.
Punch’s story began with hardship. He was abandoned by his mother shortly after his birth in July 2025 — and to ensure his survival, zookeepers stepped in to hand-rear the primate.
On Jan. 19, 2026, the zoo officially began the process of reintegrating Punch into the “monkey mountain” enclosure.
The transition was initially fraught with tension.
Punch’s story began with hardship when he was abandoned by his mother shortly after he was born. To help him, zookeepers gave him a stuffed toy that he began dragging around everywhere he went. (David Mareuil/Anadolu via Getty Images)
As a hand-reared infant, Punch was bullied and ignored by the established group of monkeys.
He was often seen huddled alone with his orange plush companion while the rest of the troop interacted.
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In an official statement released Feb. 27, the Ichikawa Zoological and Botanical Garden detailed the meticulous care behind this process.
Previous viral videos showed Punch bullied by the rest of the troop, running to his plushy toy for comfort. (David Mareuil/Anadolu via Getty Images)
“From an animal welfare perspective, our primary goal is to reintegrate Punch with the troop,” the zoo said.
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The strategy involved nursing Punch within the enclosure, so the troop could recognize him as one of their own, and pairing him with a gentle young female macaque prior to his full release to build his confidence.
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The latest footage, captured by X user @tate_gf, suggested the zoo’s patience is paying off.
The video shows Punch seeking physical contact not from his toy, but from another monkey — eventually climbing onto its back for a vital social behavior for young macaques: the “piggyback ride.”
The zoo’s strategy appears to be paying off: Punch, shown at far left, was recently seen riding on the back of a fellow macaque. (David Mareuil/Anadolu via Getty Images)
While Punch still carries his stuffed toy for comfort during moments of perceived danger, the zoo remains optimistic about his progress.
The organization cited the successful 2009 case of Otome, another hand-reared macaque who eventually outgrew her stuffed toy, successfully integrated — and went on to raise four offspring of her own.
The zoo has had crowds coming to see Punch, with hundreds of people lining up to get inside to see the young star, according to reports.
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“I’m hoping Punch has a good life like everybody else does, and think he’s a cute little guy,” one person commented online.
“Such a precious baby,” another person wrote.
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This story discusses suicide. If you or someone you know is having thoughts of suicide, please contact the Suicide & Crisis Lifeline at 988 or 1-800-273-TALK (8255).
Artificial intelligence has been touted as a boon to healthcare, but a new study has revealed its potential shortcomings when it comes to giving medical advice.
In January, OpenAI launched ChatGPT Health, the medical-focused version of the popular chatbot tool.
The company introduced the tool as “a dedicated experience that securely brings your health information and ChatGPT’s intelligence together, to help you feel more informed, prepared and confident navigating your health.”
But researchers at the Icahn School of Medicine at Mount Sinai have found that the tool failed to recommend emergency care for a “significant number” of serious medical cases.
The study, published in the journal Nature Medicine on Feb. 23, aimed to explore how ChatGPT Health — which is reported to have about 40 million users daily — handles situations where people are asking whether to seek emergency care.
Artificial intelligence has been touted as a boon to healthcare, but a new study has revealed its potential shortcomings when it comes to giving medical advice. (iStock)
“Right now, no independent body evaluates these products before they reach the public,” lead author Ashwin Ramaswamy, M.D., instructor of urology at the Icahn School of Medicine at Mount Sinai in New York City, told Fox News Digital.
“We wouldn’t accept that for a medication or a medical device, and we shouldn’t accept it for a product that tens of millions of people are using to make health decisions.”
Emergency scenarios
The team created 60 clinical scenarios across 21 medical specialties, ranging from minor conditions to true medical emergencies.
Three independent physicians then assigned an appropriate level of urgency for each case, based on published clinical practice guidelines in 56 medical societies.
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The researchers conducted 960 interactions with ChatGPT Health to see how the tool responded, taking into account gender, race, barriers to care and “social dynamics.”
While “clear-cut emergencies” — such as stroke or severe allergy — were generally handled well, the researchers found that the tool “under-triaged” many urgent medical issues.
The team created 60 clinical scenarios across 21 medical specialties, ranging from minor conditions to true medical emergencies. (iStock)
For example, in one asthma scenario, the system acknowledged that the patient was showing early signs of respiratory failure — but still recommended waiting instead of seeking emergency care.
“ChatGPT Health performs well in medium-severity cases, but fails at both ends of the spectrum — the cases where getting it right matters most,” Ramaswamy told Fox News Digital. “It under-triaged over half of genuine emergencies and over-triaged roughly two-thirds of mild cases that clinical guidelines say should be managed at home.”
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Under-triage can be life-threatening, the doctor noted, while over-triage can overwhelm emergency departments and delay care for those in real need.
Researchers also identified inconsistencies in suicide risk alerts. In some cases, it directed users to the 988 Suicide and Crisis Lifeline in lower-risk scenarios, and in others, it failed to offer that recommendation even when a person discussed suicidal ideations.
“ChatGPT Health performs well in medium-severity cases, but fails at both ends of the spectrum.”
“The suicide guardrail failure was the most alarming,” study co-author Girish N. Nadkarni, M.D., chief AI officer of the Mount Sinai Health System, told Fox News Digital.
ChatGPT Health is designed to show a crisis intervention banner when someone describes thoughts of self-harm, the researcher noted.
OpenAI launched ChatGPT Health, the medical-focused version of the popular chatbot tool, in January 2026. (Gabby Jones/Bloomberg via Getty Images)
“We tested it with a 27-year-old patient who said he’d been thinking about taking a lot of pills,” Nadkarni said. “When he described his symptoms alone, the banner appeared 100% of the time. Then we added normal lab results — same patient, same words, same severity — and the banner vanished.”
“A safety feature that works perfectly in one context and completely fails in a nearly identical context … is a fundamental safety problem.”
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The researchers were also surprised by the social influence aspect.
“When a family member in the scenario said ‘it’s nothing serious’ — which happens all the time in real life — the system became nearly 12 times more likely to downplay the patient’s symptoms,” Nadkarni said. “Everyone has a spouse or parent who tells them they’re overreacting. The AI shouldn’t be agreeing with them during a potential emergency.”
Fox News Digital reached out to Open AI, creator of ChatGPT, requesting comment.
Physicians react
Dr. Marc Siegel, Fox News senior medical analyst, called the new study “important.”
“It underlines the principle that while large language models can triage clear-cut emergencies, they have much more trouble with nuanced situations,” Siegel, who was not involved in the study, told Fox News Digital.
ChatGPT and other LLMs can be helpful tools, a doctor said, but they “should not be used to give medical direction.” (iStock)
“This is where doctors and clinical judgment come in — knowing the nuances of a patient’s history and how they report symptoms and their approach to health.”
ChatGPT and other LLMs can be helpful tools, Siegel said, but they “should not be used to give medical direction.”
“Machine learning and continued input of data can help, but will never compensate for the essential problem – human judgment is needed to decide whether something is a true emergency or not.”
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Dr. Harvey Castro, an emergency physician and AI expert in Texas, echoed the importance of the study, calling it “exactly the kind of independent safety evaluation we need.”
“Innovation moves fast. Oversight has to move just as fast,” Castro, who also did not work on the study, told Fox News Digital. “In healthcare, the most dangerous mistakes happen at the extremes, when something looks mild but is actually catastrophic. That’s where clinical judgment matters most, and where AI must be stress-tested.”
Study limitations
The researchers acknowledged some potential limitations in the study design.
“We used physician-written clinical scenarios rather than real patient conversations, and we tested at a single point in time — these systems update frequently, so performance may change,” Ramaswamy told Fox News Digital.
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Additionally, most of the missed emergencies happened in situations where the danger depended on how the condition was changing over time. It’s not clear whether the same problem would happen with acute medical emergencies.
Because the system had to choose just one fixed urgency category, the test may not reflect the more nuanced advice it might give in a back-and-forth conversation, the researchers noted.
ChatGPT Health is designed to show a crisis intervention banner when someone describes thoughts of self-harm. (iStock)
Also, the study wasn’t large enough to confidently detect small differences in how recommendations might vary by race or gender.
“We need continuous auditing, not one-time studies,” Castro noted. “These systems update frequently, so evaluation must be ongoing.”
‘Don’t wait’
The researchers emphasized the importance of seeking immediate care for serious issues.
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“If something feels seriously wrong — chest pain, difficulty breathing, a severe allergic reaction, thoughts of self-harm — go to the emergency department or call 988,” Ramaswamy advised. “Don’t wait for an AI to tell you it’s OK.”
The researchers noted that they support the use of AI to improve healthcare access, and that they didn’t conduct the study to “tear down the technology.”
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“These tools can be genuinely useful for the right things — understanding a diagnosis you’ve already received, looking up what your medications do and their side effects, or getting answers to questions that didn’t get fully addressed in a short doctor’s visit,” Ramaswamy said.
“That’s a very different use case from deciding whether you need emergency care. Treat them as a complement to your doctor, not a replacement.”
“This study doesn’t mean we abandon AI in healthcare.”
Castro agreed that the benefits of AI health tools should be weighed against the risks.
“AI health tools can increase access, reduce unnecessary visits and empower patients with information,” he said. “They are not inherently unsafe, but they are not yet substitutes for clinical judgment.”
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“This study doesn’t mean we abandon AI in healthcare,” he went on. “It means we mature it. Independent testing and stronger guardrails will determine whether AI becomes a safety net or a liability.”
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