Health
Common pain reliever could cause medical complications in some people over 65, study suggests
New research has revealed that a common medication might not be safe for everyone.
Acetaminophen, brand name Tylenol, is a pain reliever and fever reducer that’s often included in other drugs, such as cold and flu medicines.
The U.K.-based study — published in Arthritis Care & Research, an official journal of the American College of Rheumatology — analyzed the safety of the drug in older individuals.
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The researchers looked at data for more than 180,000 acetaminophen users compared to 400,000 non-users from 1998 to 2018.
The findings revealed that the use of acetaminophen – sometimes also called paracetamol – was associated with an increased risk of serious medical complications.
Acetaminophen may be found in cough, cold and flu medications, as well as in creams, gels, salves and even suppositories, one gerontologist noted. (iStock)
This includes peptic ulcer bleeding, uncomplicated peptic-ulcers, lower gastrointestinal bleeding, heart failure, hypertension and chronic kidney disease.
In a University of Nottingham press release sent to Fox News Digital, lead study author Professor Weiya Zhang, PhD, clarified that long-term use of the drug should be “carefully considered.”
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“Due to its perceived safety, paracetamol has long been recommended as the first-line drug treatment for osteoarthritis by many treatment guidelines, especially in older people who are at higher risk of drug-related complications,” he wrote.
“While further research is now needed to confirm our findings, given its minimal pain-relief effect, the use of paracetamol as a first-line painkiller for long-term conditions such as osteoarthritis in older people needs to be carefully considered.”
“This is a good reminder that all medicines used chronically have side effects,” said one physician. (iStock)
Dr. Marc Siegel, clinical professor of medicine at NYU Langone Health and senior medical analyst at Fox News, shared his reaction with Fox News Digital.
“It is generally accepted doctrine that acetaminophen is not associated with GI bleeding or advancing kidney disease, but the thinking is starting to change on this front,” said the doctor, who was not involved in the study.
“Yes, over-the-counter medications are still medications.”
There is evidence suggesting that acetaminophen “modulates the same cyclooxygenase-related pathways” as anti-inflammatory drugs like ibuprofen, which can “increase adverse GI side effects,” according to Siegel.
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The large U.K. study, the doctor commented, is limited by “being observational,” as well as by an “inability to track over-the-counter as opposed to prescriptions, which were tracked.”
Another potential limitation was that some users had other contributing factors and behaviors, such as smoking and obesity.
“By inhibiting prostacyclin, it can increase the risk of bleeding,” a doctor warned about the drug. (iStock)
“Still, this is a good reminder that all medicines used chronically have side effects, and we are not always sure what they are,” he said. “This is why we continue to do post-market analysis and to re-evaluate medicines.”
He continued, “And yes, over-the-counter medications are still medications. Acetaminophen is well-known for its liver toxicity, but there are other side effects as well, as this study suggests.”
Fox News Digital reached out to Kenvue, Inc., maker of Tylenol, requesting comment on the study.
Risks for older adults
Gerontologist Dr. Macie P. Smith in South Carolina, who was not involved in the study, also reacted to the findings.
“I am happy someone is talking about the side effects of certain medications and how they disproportionately impact … those over [age] 65,” she told Fox News Digital.
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Several medications are not recommended for the older adult population, Smith said.
“Simply because they could tolerate the medications at a younger age does not mean their body can tolerate the same medications at an older age, since their body and brain will change as they age,” she noted.
People over age 65 should consult with their doctor before taking medications, experts advise. (iStock)
Some of the complications mentioned in the study, such as GI bleeding, hypertension and kidney disease, can increase the risk of stroke, Alzheimer’s disease, dementia, even premature death, according to Smith.
“I would recommend that older adults consult with their primary care doctor before taking any over-the-counter medications, since acetaminophen can be found in cold and flu medications and in creams and [ointments],” she advised.
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“Anything that is identified as a medication or drug should be discussed with the doctor, as geriatrics is a specialized practice and those who fall under this category should receive specialized care.”
Smith also recommended that older adults use only one pharmacy, so the pharmacist can consult the patient’s “running ledger” of prescription medications.
“I would recommend that older adults consult with their primary care doctor before taking any over-the-counter medications.”
“If someone over the age of 65 comes in for over-the-counter medications, the pharmacist can easily and quickly check for medication side effects and possible interactions between their prescription and OTC medications,” she said.
Older brains and bodies might not be able to handle the types of medication they could at a younger age, experts say. (iStock)
Acetaminophen in particular should be “taken with caution” and under the direction of a doctor for those 65 and older, she cautioned.
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Smith urged older individuals and their caretakers to “read the important information that comes with any and all medications.”
She added, “Don’t hesitate to speak to the pharmacist and/or your doctor about the risks and the benefits, then make an informed decision and choose well.”
Fox News Digital reached out to a number of drug manufacturers for comment.
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A new injectable therapy is showing positive results in reducing melanoma throughout a five-year period.
The personalized mRNA cancer therapy, called intismeran autogene, combined with the cancer immunotherapy drug KEYTRUDA (pembrolizumab), is a collaboration between Merck and Moderna.
The results from the phase 2b KEYNOTE-942 study were presented at the American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago on May 27.
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After about a five-year follow-up, the combo drug was found to reduce the risk of melanoma recurrence or death by 49% compared to pembrolizumab alone.
The researchers analyzed data from 157 patients with high-risk stage 3 and 4 melanoma whose cancer had been removed via surgery. The participants were split into two groups — one received the combo therapy and the other only received pembrolizumab, according to a press release.
The therapy was found to reduce the risk of melanoma recurrence or death by 49% compared to pembrolizumab alone after a five-year follow-up. (iStock)
The findings revealed that the combination group saw benefits that were “sustained and durable over time.”
Intismeran autogene is designed using mutations identified in a patient’s own tumor, with the intention of teaching the immune system what the cancer looks like so that it can recognize and attack it.
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According to the researchers, intismeran is “well-tolerated” with a “manageable” safety profile.
The most commonly cited side effects of the personalized mRNA vaccine plus KEYTRUDA were fatigue, injection-site pain, chills, fever and headache. The researchers reported no new long-term safety concerns and no severe vaccine-related adverse events.
The combination therapy is currently being evaluated in a phase 3 study — the final confirmation stage.
Patients with late-stage melanoma have a “significant risk” of cancer recurrence, according to an expert. (iStock)
In a Merck press release from January, Kyle Holen, MD, Moderna’s senior vice president and head of development, oncology and therapeutics, noted that this data highlights the “potential of a prolonged benefit … in patients with resected high-risk melanoma.”
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“We continue to invest in our platform in oncology because of encouraging outcomes like these, which illustrate mRNA’s potential in cancer care,” he said.
Dr. Marjorie Green, senior vice president and head of oncology, global clinical development at Merck Research Laboratories, also commented that for many patients with stage 3 or 4 melanoma, there is a “significant risk of recurrence following surgery.”
Researchers confirmed that the combination therapy is currently being evaluated in a phase 3 study. (iStock)
“As such, demonstrating the longer-term potential of intismeran autogene and KEYTRUDA to reduce the risk of recurrence for certain patients with melanoma is a meaningful milestone,” she said.
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The company cited encouraging five-year follow-up data and pointed to upcoming late-stage INTerpath trial results with Moderna in several hard-to-treat cancers.
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An accidental lab discovery has opened the door to entirely new ways of preventing the flu.
While investigating how influenza replicates, researchers discovered that different flu strains use completely different strategies to infiltrate human cells, SWNS reported.
By targeting the specific molecules the viruses rely on, scientists found that they could block them from entering new cells and halt their replication altogether.
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Researchers say these “fundamental insights” into seasonal influenza highlight a clear path toward developing better preventive medications.
“The hope is that fundamental, curiosity-based research like this helps to pave the way for novel strategies to treat and prevent influenza infections,” principal investigator Dr. Emily Bruce, from the University of Vermont’s Larner College of Medicine, said in the SWNS report.
While investigating how influenza replicates, researchers discovered that different flu strains use completely different strategies to infiltrate human cells. (iStock)
While several flu strains cause illness, H1N1 and H3N2 influenza A viruses are the most common. However, current flu tests cannot differentiate between them, and clinical treatments are identical for both.
Although vaccines and antivirals are available, Bruce noted a “dire” need for better medications to stop the virus from spreading cell to xxcell.
“You don’t get sick when a virus is in one cell,” he noted. “You get sick because a virus replicates itself and goes into many more cells.”
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The study, which was published in The Journal of Virology, originally aimed to map how viral RNA segments are transported within cells to create new viral particles.
The team used H1N1 and H3N2 viruses isolated from the nasal passages of positive patients in 2022.
Clinical treatments remain identical for both primary strains of the flu virus. (iStock)
During the investigation, the team unexpectedly stumbled upon a cellular pathway that blocked the virus from entering lung cells, SWNS reported.
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The data revealed that when a specific human protein called Rab11B was depleted, H3N2 viruses failed to enter human lung cells. H1N1 viruses were completely unaffected.
Using reverse genetics, the team mapped this defect and uncovered a brand-new, H3N2-specific role for Rab11B during viral entry.
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This discovery challenged the scientific assumption that all flu viruses enter cells the same way.
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“Viruses are like pirates from different countries hijacking someone’s ship,” Bruce said. “Different viruses, like different types of pirates, use different methods to get onboard.”
This discovery challenged the scientific assumption that all flu viruses enter cells the same way. (iStock)
“We had previously thought that all flu viruses used the same way to get into a cell, but we discovered that this is not true,” she went on. “H1N1 and H3N2 need different proteins to get in, and if you get rid of the right protein, a specific virus can’t get in.”
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While these findings identify a critical cellular pathway for viral entry, the study was conducted using isolated cells, the researchers acknowledged.
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Further research is needed to determine whether blocking the protein is safe and effective within a live, complex human respiratory system.
Bruce and the team hope to conduct further research to determine whether this Rab11B-dependency is a fundamental property of H3N2, or if it’s a trait unique to currently circulating flu strains.
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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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