Health
Cooking oil linked to colon cancer in early study, tied to inflammation
Researchers have revealed another potential reason to avoid ultraprocessed foods.
Seed oils — which are plant-based cooking oils that are often used in processed, packaged foods — have been linked to an increased risk of colon cancer, according to a new study published this week in the medical journal Gut.
Researchers at University of South Florida (USF) Health and Tampa General Hospital Cancer Institute analyzed 162 tumor samples from colon cancer patients, according to a USF press release.
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They found that the tumors contained “an excess number” of molecules that cause inflammation and “a shortage” of healing molecules.
Seed oils — which are plant-based cooking oils that are often used in processed, packaged foods — have been linked to an increased risk of colon cancer, according to a new study. (iStock)
“It is well-known that patients with unhealthy diets have increased inflammation in their bodies,” said study author Dr. Timothy Yeatman, professor of surgery in the USF Health Morsani College of Medicine and associate center director for Translational Research and Innovation at the TGH Cancer Institute, in the release.
“We now see this inflammation in the colon tumors themselves, and cancer is like a chronic wound that won’t heal – if your body is living off of daily ultra-processed foods, its ability to heal that wound decreases due to the inflammation and suppression of the immune system that ultimately allows the cancer to grow.”
“It is well-known that patients with unhealthy diets have increased inflammation in their bodies.”
The findings highlight the potential harms of the Western diet, according to Yeatman. In addition to “inflammatory seed oils,” he also cited culprits like added sugars, saturated fats, ultra-processed foods and chemicals.
“A human’s immune system can be extremely powerful and drastically impact the tumor microenvironment, which is great if harnessed correctly for health and wellness — but not if it’s suppressed by inflammatory lipids from processed foods,” the researcher said.
Dr. Timothy Yeatman and Ganesh Halade, co-authors of the study, are pictured in the lab. (Ryan Rossy)
In prior studies, the same research team found that an “imbalanced diet” also increased the risk of heart disease, Alzheimer’s disease and diabetes, the release stated.
Based on these findings, the researchers recommend treating cancer with “resolution medicine,” which would aim to reverse inflammation using healthy, unprocessed foods rich with omega-3 fatty acids and derivatives of fish oil, according to the above source.
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Regular exercise and balanced sleep would also play important roles in the resolution medicine approach.
“This has the potential to revolutionize cancer treatment, moving beyond drugs to harness natural healing processes,” Yeatman said.
“It’s a vital step toward addressing chronic inflammation and preventing diseases before they start.”
Dr. Yeatman reviews images of the tumors in the lab. (Ryan Rossy)
The new USF study was funded by the National Institutes of Health.
There are currently clinical trials underway at TGH Cancer Institute to study the potential benefits of resolution medicine in treating and preventing disease.
Fox News Digital reached out to the study researchers for comment.
Dietitians weigh in
Sherry Coleman Collins, a food allergy dietician and expert from the Atlanta metropolitan area, said she doesn’t think it’s accurate to suggest that seed oils cause cancer.
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The expert pointed out that there is an “overwhelming body of scientific literature” that shows the positive health benefits of replacing saturated fats (like lard and butter) with unsaturated fats (like safflower oil).
“This includes a significant reduction in cardiovascular disease, which is the No. 1 killer in America,” she told Fox News Digital.
One dietitian recommended using olive oil, noting that there’s a “significant body of evidence” for its use as part of a Mediterranean approach to eating. (iStock)
However, Collins said, “It is something to watch as we continue to better understand why colon cancer has been on the rise, and how diet impacts that increased rate.”
Seed oil isn’t the only problem with ultraprocessed foods, the dietitian pointed out.
“They tend to be very high in sodium, fat and sugar,” Collins said. “Lacking fiber and nutrients, but high in calories, they taste delicious, but don’t promote good health.”
To reduce the risk of colon cancer, dementia and many other diseases, Collins recommends cutting out smoking, limiting alcohol, maintaining a healthy weight, exercising regularly, and eating a fiber-rich diet with plenty of fruits, vegetables and whole grains.
Ganesh Halade is pictured in his lab using a highly sensitive analytical technique to detect trace amounts of lipids in 162 tumor samples from TGH Cancer Institute. (Ryan Rossy)
In terms of cooking oils, Collins recommends using olive oil, noting that there’s a “significant body of evidence” for its use as part of a Mediterranean approach to eating.
“Extra-virgin olive oil can be a wonderful, versatile oil to use in low-medium heat cooking and it tastes great, and has a very good fatty acid profile,” she told Fox News Digital.
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“For higher-heat cooking, I like avocado and peanut oils for their high smoke point and neutral flavor, and they too have good fatty acid profiles.”
Collins agrees with the researchers’ recommendation to increase the intake of omega-6 fatty acids, as the American diet is “woefully deficient.”
“It is something to watch as we continue to better understand why colon cancer has been on the rise, and how diet impacts that increased rate,” a dietitian said. (iStock)
“Fatty fish, like salmon, is the best source — these can also be found in some nuts and seeds, including walnuts and chia, but they are not as bioavailable or absorbable as those of fish,” she added
Jason Fung, a Canadian nephrologist (kidney specialist), noted that the study is “preliminary and far from definitive.”
“Why take a chance?”
“The hypothesis is that eating too many seed oils means we have too many omega 6 fats, which are pro-inflammatory, and inflammation can be an important contributing factor to cancer,” he said in a statement to Fox News Digital.
“It’s an interesting and plausible hypothesis, but not definitive.”
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Even so, Fung confirmed that he does not keep any seed oils at home.
“I only use olive oil and butter for my cooking at home. Why take a chance?”
Health
Dr Oz links obesity to chronic disease surge, says GLP-1s can ‘jumpstart’ better health
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Washington, DC – GLP-1 weight-loss drugs have become a prevalent part of American healthcare, and the current administration is getting behind the movement.
In an exclusive interview with Fox News Digital at the Great American State Fair in the nation’s capital on July 6, CMS Administrator Dr. Mehmet Oz voiced his support for the use of GLP-1 (glucagon-like peptide-1) medications, such as Ozempic, for appropriate uses.
“I’m a fan of GLP-1 drugs when used correctly,” he said. “They do help people who are overweight lose weight quite effectively. They’re not a replacement for diet and exercise, but they might jumpstart the system so it’s easier for you to use healthier tactics.”
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This is especially helpful for those who may have trouble moving due to joint pain or are experiencing internal dysfunction, Oz said.
Certain GLP-1 drugs are covered by Medicare for overweight candidates with certain conditions, such as high blood pressure and diabetes, and Oz projected the benefits will continue to benefit taxpayers.
Dr. Mehmet Oz is pictured in Washington, D.C., at the Great American State Fair, where he spoke about federal health policy. (Angelica Stabile/Fox News Digital)
“We believe these are so effective in reducing conditions like high blood pressure and diabetes that they’ll actually save money for the federal taxpayer, because [they’re] going to make you healthy enough that you don’t have to consume health services,” Oz said.
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“We think about 70% of all the money we spend on healthcare is caused by chronic conditions, and obesity is the No. 1 driver of all that, so it’s a smart decision.”
Oz recently announced the launch of the Medicare GLP-1 Bridge program, which will allow more seniors to access GLP-1 drugs for only $50 a month if they meet qualifying health criteria and receive prior authorization from a doctor.
The doctor expressed support for broadening affordable access to GLP-1 medications for Americans. (iStock)
“There are a lot of overweight people who don’t have high blood pressure, diabetes or other conditions, so they don’t get access to the drug normally,” he said. “We want them to have the ability to use it as well.”
Although these access shifts could boost Americans’ overall health — and in some cases could be lifesaving — Oz noted that there is “no silver bullet” when it comes to these medications.
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“I love the fact that the innovation that’s coming out of pharmaceutical companies is allowing us to save lives and make lives better,” he said. “But the real secret to longevity is eating right, exercising, sleeping, dealing with the stress of your life, finding some purpose in your existence [and] realizing you have agency over the future.”
“These are things that your mom would have told you [and that] you don’t need a doctor to be emphasizing.”
Medicating appropriately, combined with eating right, exercising and staying connected with others, can help make health goals attainable, the doctor said. (iStock)
While GLP-1s may not be a fix-all, combining these medications with foundational health practices “makes a lot of sense,” Oz said.
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“I don’t want people being fat-shamed … I don’t want you feeling guilty that you’re gaining weight even though everyone else around you seems to have figured it out,” he said. “It’s not that simple — our set points for hunger are different. We have different things going on in our lives.”
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“But if you realize how precious you are — the temple of the soul is so valuable. It’s the greatest gift your parents ever gave you, and you take advantage of every tool out there to make it work … which includes using medications when appropriate. That, to me, is MAHA.”
Health
Deadly Legionnaires’ disease outbreak sparks concern in major US city: Know the symptoms
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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.
Health
Katie Couric couldn’t remember the year or the president during frightening brain episode
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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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