Health
Frequent heartburn may be a warning sign of a more dangerous condition, doctor says
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For most people, heartburn is an occasional annoyance and source of temporary discomfort. But for some, chronic heartburn can lead to more dangerous conditions — potentially even pre-cancerous ones.
About 10% of people with chronic gastroesophageal reflux disease (GERD) will develop Barrett’s esophagus, a condition where the lining of the lower esophagus is replaced with abnormal cells that are more prone to cancer, according to medical experts.
Some studies have shown that among those with Barrett’s esophagus, between 3% and 13% will go on to develop cancer, but most will not.
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When acid reflux becomes dangerous
“Your stomach is designed to handle acid. Your esophagus is not,” Dr. Daryl Gioffre, a Florida-based gut health specialist and certified nutritionist, told Fox News Digital.
About 10% of people with chronic acid reflux will develop Barrett’s esophagus, a condition where the lining of the lower esophagus is replaced with abnormal cells that are more prone to cancer. (iStock)
“With reflux, the danger is not the burn in the chest or throat — the real danger is the constant backflow of acid traveling the wrong way.”
In most people, the lower esophageal sphincter — which Gioffre refers to as the “acid gate” — keeps acid in the stomach, which is lined with thick mucus and specialized cells designed to protect it.
“With reflux, the danger is not the burn in the chest or throat — the real danger is the constant backflow of acid traveling the wrong way.”
“But when the gate gets weak, it relaxes or stays slightly open, and acid slips back up the wrong way,” he said. This “gate” can weaken with magnesium deficiency, high stress, alcohol, poor sleep, dehydration and late-night snacking, all of which can disrupt healthy digestion.
When acid hits the esophagus, it irritates tissue that was never designed to withstand it, according to the doctor.
“Every time acid comes back up the wrong way, it injures the lining like a slow chemical burn,” said Gioffre, who is also the author of “Get Off Your Acid” and “Get Off Your Sugar.” Over time, that irritation erodes the lining, drives inflammation and can change the cells.
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“These new cells are no longer normal esophageal cells — they begin to shift into cells that look more like stomach lining, because those cells can tolerate the acid,” the doctor said. “That change is called metaplasia, or Barrett’s esophagus.”
Once the cells start changing, the risk of further mutation goes up. If that process continues, Gioffre warned, it can progress to dysplasia, which is the stage right before esophageal cancer.
Some studies have shown that among those with Barrett’s esophagus, between 3% and 13% will go on to develop cancer. (iStock)
“So the real danger is not the heartburn you feel,” he summarized. “It is the repeated acid exposure forcing the esophagus to adapt in ways it was never designed to. Fixing reflux at the root stops this entire cascade before those cellular changes begin.”
Men at higher risk
Men generally have a higher risk because they burn through magnesium faster, tend to carry more visceral fat pushing upward on the stomach, eat heavier meals and snack late at night, Gioffre cautioned. These activities all weaken the acid gate and shut down healthy digestion.
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“Eating within three hours of lying down almost guarantees the stomach does not empty, and that is one of the biggest drivers of nighttime reflux,” he said. “On top of that, men often ignore symptoms, or mask them with PPIs and antacids instead of fixing the root cause.”
All of these factors contribute to a “perfect storm” for chronic inflammation and long-term damage, according to Gioffre.
Warning signs
There are certain red flags that indicate when acid reflux has gone beyond an occasional annoyance and has progressed to constant and chronic.
“If that burn becomes more frequent or more intense, or starts showing up even when you have not eaten, your body is waving a giant warning flag,” Gioffre said.
Difficulty swallowing, a feeling that food is “stuck,” chronic hoarseness, a constant cough, throat clearing or the feeling of a lump in the throat are all indicators that the acid is moving upward into areas it should never reach. (iStock)
Difficulty swallowing, a feeling that food is “stuck,” chronic hoarseness, a constant cough, throat clearing or the feeling of a lump in the throat are all indicators that the acid is moving upward into areas it should never reach, according to the doctor.
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“Ulcers in your throat, or even in your mouth, are another sign that the acid is doing real damage,” he warned.
“Another major warning sign is when reflux goes from something you notice occasionally to something you feel every day or every night, or when PPIs and antacids stop helping,” Gioffre said. “That usually means the lining is irritated and eroded, and may already be changing on a cellular level.”
Nighttime reflux is the most dangerous because the acid sits on the esophagus for hours, causing deep inflammation and long-term cellular changes, the doctor said. (iStock)
Unexplained weight loss, vomiting blood and black stools are all serious symptoms that demand immediate attention, the doctor added.
“The bottom line: When reflux becomes consistent, chronic and starts impacting swallowing, your voice, or the tissues in your mouth or throat, it is no longer just a nuisance,” Gioffre told Fox News Digital. “That is the point where the esophagus may be moving toward a precancerous state, and men especially cannot afford to wait on it.”
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3 key ways to prevent reflux
Gioffre shared the following essential steps to preventing acid reflux and improving digestive health.
No. 1: Follow the 3-hour rule
“Stop eating three hours before bed,” the doctor recommends. “When you eat late, the stomach does not empty, pressure builds and the acid gate relaxes, guaranteeing that acid travels upward into your esophagus while you sleep.”
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Nighttime reflux is the most dangerous because the acid sits on the esophagus for hours, causing deep inflammation and long-term cellular changes, he warned. “This one rule alone can dramatically lower acid reflux and cancer risk.”
No. 2: Strengthen the acid gate
When stomach acid is low, the lower esophageal sphincter loses its tone, allowing acid to travel upward instead of staying in the stomach, Gioffre said.
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“The fastest way to tighten that gate is to build your mineral reserves, especially magnesium,” he said.
The best way to do this is to load up on magnesium-rich foods like avocado, spinach, pumpkin seeds, chia seeds, quinoa and almonds, and consider adding a clean magnesium supplement.
No. 3: Remove or neutralize daily triggers
The fastest way to protect your esophagus, according to Gioffre, is to eliminate or neutralize the foods and habits that weaken the acid gate and push acid the wrong way.
For people who can’t fully eliminate these triggers, certain habits can help neutralize their impact by reducing acid strength and pressure before it reaches the esophagus.
The doctor recommends cutting back on alcohol and caffeine, both of which relax the acid gate and increase the risk of acid reflux. (iStock)
“Drinking most of your water earlier in the day helps, because pounding water at night stretches the stomach and relaxes the acid gate, making it much easier for acid to flow the wrong way once you lie down,” he said.
He also recommends cutting back on alcohol and caffeine, both of which relax the acid gate instantly.
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Some other major triggers that fuel the reflux cycle include chocolate, spicy foods, garlic, onions, sugar, ultraprocessed foods and heavy nighttime meals, according to the doctor.
“These foods and habits weaken the lower esophageal sphincter, drive up inflammation and push pressure upward,” he said. “That’s exactly how a little heartburn turns into chronic reflux, and slowly causes the kind of damage that puts the esophagus at risk for cancer.”
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Eating processed meat like ham, sausage and bacon may be linked to a higher risk of certain types of cancer, according to new research.
While health organizations have already confirmed that processed meat can contribute to colon cancer, this study looked closer at cancers in the upper digestive tract, where the link has historically been less clear.
To understand these connections, researchers from the European Prospective Investigation into Cancer and Nutrition (EPIC), one of the world’s largest long-term nutrition and cancer cohorts, tracked the health and diets of 450,112 people across Europe for an average of 14 years.
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The study group included 131,426 men and 318,686 women, according to the study’s press release.
During the follow-up period, 876 people developed stomach cancer and 215 people developed esophageal adenocarcinoma, which is cancer of the tube connecting the mouth to the stomach.
For female participants, eating both processed meat and white meat was linked to an increased risk of developing the disease. (iStock)
Researchers tracked where the stomach cancers grew, separating them into the upper part of the stomach near the throat and the lower part of the stomach.
The researchers also sorted the tumors into two categories based on how the cancer cells appeared under a microscope: intestinal, which forms more organized structures, and diffuse, in which the cells are more scattered throughout the tissue.
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After adjusting for other lifestyle factors, the researchers found that for every extra 30 grams of processed meat a person ate per day, their overall risk of stomach cancer went up by 9%. Eating that same extra 30 grams a day was also linked to a 13% higher risk of esophageal adenocarcinoma.
A standard single slice of regular deli-sliced ham or lunch meat averages around 28 grams, according to USDA data and nutritional tracking databases.
An extra 20 grams of white meat, such as chicken and turkey, was linked to a 12% higher risk of cancer in the main body of the stomach. (iStock)
An extra 20 grams of white meat, such as chicken or turkey, was linked to a 12% higher risk of cancer in the main body of the stomach, the researchers noted.
The study also revealed differences between men and women. For male participants, only processed meat showed a clear, statistically significant link to a higher risk of stomach cancer. For female participants, however, eating both processed meat and white meat was linked to an increased risk.
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These findings align with global health benchmarks, particularly those established by the World Health Organization’s International Agency for Research on Cancer.
The agency has long classified processed meat as a known human carcinogen, primarily due to its strong, well-documented links to colorectal cancer.
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However, health organizations have also consistently pointed to a potential, yet less definitive, relationship between these meats and cancers of the stomach.
Eating 30 grams of processed meat a day, or the equivalent to one slice of ham, was linked to a 13% higher risk of esophageal adenocarcinoma. (iStock)
Further scientific investigation is needed to confirm the findings and to account for other underlying risk factors, such as certain stomach infections, which could interact with dietary habits.
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A key limitation of the study is its reliance on self-reported diets, which can sometimes lead to inaccuracies in how participants recall their meat consumption over time, the researchers noted.
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The findings were published in the International Journal of Cancer.
Fox News Digital reached out to the researchers requesting comment.
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Yoga is known to boost relaxation, strength and flexibility – and now a new study has found the practice could improve cancer survivors’ quality of life.
A randomized trial led by the University of Rochester Medical Center found that a four-week yoga program significantly reduced insomnia, fatigue, anxiety and mood disturbances after cancer treatment.
The findings were presented last week at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago.
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The study was conducted across multiple U.S. community cancer care sites, including 410 adult cancer survivors averaging 54 years of age. Around 75% were breast cancer survivors, and none of them had practiced yoga regularly within the prior three months.
A randomized trial led by the University of Rochester Medical Center found that a four-week yoga program significantly reduced insomnia, fatigue, anxiety and mood disturbances in cancer survivors. (iStock)
The participants were randomly assigned to two groups. Half of them received only standard survivorship care without the yoga, while the other half received standard care and were also enrolled in the Yoga for Cancer Survivors (YOCAS) program.
As part of the YOCAS program, the survivors completed two instructor-led 75-minute yoga sessions each week, including 18 Gentle Hatha yoga and Restorative yoga poses, breathing exercises and mindfulness training.
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Based on questionnaires completed by the patients, the survivors in the yoga group experienced “moderate-to-large” reductions in overall mood disturbance, “small-to-medium” reductions in anxiety and “medium-to-large” reductions in fatigue, the study found.
The improvements in mood and fatigue appeared to be linked to yoga’s beneficial effect on sleep quality, according to the researchers.
As part of the YOCAS program, the survivors completed two instructor-led 75-minute yoga sessions each week, including 18 Gentle Hatha yoga and Restorative yoga poses, breathing exercises and mindfulness training. (iStock)
“This indicates that cancer survivors have an option to alleviate these cancer-related side effects at the same time, without adding another drug,” lead investigator Yuri Choi, PhD, of the Wilmot Cancer Institute, University of Rochester Medical Center, in Rochester, New York, told Fox News Digital.
The study did not reveal any major safety concerns or serious adverse events related to the yoga practice.
“This indicates that cancer survivors have an option to alleviate these cancer-related side effects at the same time, without adding another drug.”
The study did have some limitations, chiefly that the findings are preliminary and have not yet been peer-reviewed for a medical publication.
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“The sample in our clinical trial was relatively homogeneous, with most participants being women (96%), breast cancer patients (75%), Caucasian (93%), and having some college or higher education (82%),” noted Choi.
“We are adapting our intervention to reach all cancer patients and survivors, including the creation of a mobile app to reach people in rural communities.”
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The research also excluded patients with metastatic cancer (whose disease had spread to other parts of the body).
The total study was only four weeks, so more research is needed to determine long-term benefits.
If the findings are confirmed by peer-reviewed publications, this could lead to recommendations for structured yoga programs as a non-drug supportive therapy for cancer survivors, the researchers noted. (iStock)
If the findings are confirmed by peer-reviewed publications, this could lead to recommendations for structured yoga programs as a non-drug supportive therapy for cancer survivors, the researchers noted.
Some yoga studios may use different names for Gentle Hatha and Restorative yoga, such as Foundations Yoga or Healing Yoga, Choi noted.
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“Survivors should also look for certified yoga instructors who have experience working with cancer patients/survivors or individuals with other challenging health conditions,” the researcher advised. “They should not be afraid to ask their oncology team for referrals to qualified instructors in their community.”
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Choi also noted that the research did not reveal whether other types of yoga, such as heated-room or rigorous-flow yoga, are safe or beneficial for cancer survivors.
The study was funded by the National Cancer Institute.
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