Although red meat is a rich source of protein, iron and other nutrients, a recent study associates it with an increased risk of dementia – but some doctors suspect this claim.
Researchers with Harvard Th Chan School of Public Health and Mass General Brigham revealed that daily consumption of certain quantities processed red meat increased the risk of dementia by 13%, according to a press release.
It was also associated with 14% higher risk of developing a subjective cognitive fall and faster brain aging.
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“The discoveries didn’t really surprise us,” the chief author of the study by Yuhan Li, an researcher at the Harvard Th Chan School of Public Health in Boston, told Fox News Digital.
Researchers with Harvard Th Chan School of Public Health and Mass General Brigham have found that the daily consumption of certain amounts of processed red meat increases the risk of dementia, but some doctors suspect. (East)
“The results are generally in line with our hypothesis, showing that higher intake of red meat, especially processed red meat, is associated with an increased risk of developing dementia and worse cognition.”
Increased risk was observed in people who ate at least one quarter of a portion of unprocessed meat daily, according to a research article. It is approximately one hot dog, two slices of bacon, or one and a half slices of bologna.
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Researchers also suggested that the replacement of one portion of processed red meat daily with a serving of nuts and legumes can reduce the risk of dementia by 19% – and that the replacement with the fish could reduce the risk of 28%.
The study included 133,771 persons, 11,173 of whom were diagnosed with dementia for a period of four decades. Data came from a healthcare study study (NHS) and a study of monitoring of healthcare professionals (HPFS), who followed the participants’ dietary elections and health condition.
Increased risk has been observed in people who ate at least one quarter of a portion of unprecedented meat per day, which is equally about two slices of bacon, one hot dog or one and a half slices of bologna. (East)
Funded by the National Institute of Health, the study was published on January 15 in the Neurology magazine.
The findings were first presented at the Alzheimer International Conference (AAIC) earlier in 2024.
The findings respond to experts
“There are many reasons for believing that too much red meat is associated with dementia,” Dr. Marc Siegel, a clinical professor of medicine at NYU Langone Health and Senior Medical Analyst Fox News, told Fox News Digital.
“In the case of processed meat such as bacon and ham, added chemicals can also lead to dementia through inflammation and neuroinflamation,” added Siegel, which was not involved in a new research.
Researchers suggested that the replacement of one portion of processed red meat daily with a serving of nuts and legumes can reduce the risk of dementia by 19%. (East)
The doctor also warned that red meat could lead to weight gain and obesitywhich can cause inflammation and in turn increase the risk of dementia.
“Red meat can also lead to heart disease, which increases the risk of dementia,” Siegel said.
Theresa Gentile, a registered dietitian nutritionist and spokeswoman for the New York Nutrition Academy and Dietics, noted that previous research has discovered the connection between red meat – a specially processed red meat – and increased risk of type 2 diabetes cardiovascular diseasesand both are associated with impaired cognitive health.
“There is no food or ingredient for which … has been proven to cause, increases the risk, prevents, treats or treat Alzheimer’s disease or other dementia.”
“This was a great study conducted over a long period of time and adapted to confusing factors, and yet it was revealed that, in three different groups, eating more processed red meat was associated with cognitive fall than eating less,” Gentile, which did not work on Studies, he told Fox News Digital.
Some experts have suggested that the risk is more associated with ultra -frozen food in general than with a certain meat.
“The results are generally in accordance with our hypothesis, showing that higher intake of red meat, especially processed red meat, is associated with an increased risk of developing dementia and worse cognition,” said one of the researchers (without a picture). (East)
Heather M. Snyder, Dr. Sc., Senior Vice -President of the Department of Medical and Scientific Relations at the Alzheimer’s Association in Chicago, stressed that numerous studies have shown that a diet with more ultra -frozen food is bad for brain health.
“For example, a report on the AAIC 2022 showed that people who eat large amounts of ultra -pracessed food have faster drops of cognitive abilities,” said Snyder, who was not involved in a new studio, for Fox News Digital.
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“More than 20% of the daily intake of ultra -roads has led to 28% faster fall of global cognitive results, including memory and verbal fluid.”
According to Snyder, “it is unlikely” that one food will have a “significant useful or adverse effect on such a complex disease as Alzheimer’s disease”.
“There is no food or ingredient for which rigorous scientific research has been proven to cause, increases the risk, prevents, cure or treat Alzheimer’s disease or other dementia,” she said.
Possible study limit
Siegel pointed out that the study was observation, which means that “strict conclusions cannot be drawn.”
“We still need double blind, randomized tests to get out more accurate conclusions,” he said.
“It is unlikely” that one food will have “a significant beneficial or adverse effect on such a complex disease as Alzheimer’s disease,” said an expert. (East)
Study’s chief author Yuhan also acknowledged potential limitations.
“A study on the health of nurses included registered nurses, and a study on monitoring of health experts from male health professionals from the US,” Fox News Digital told Fox News.
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“These participants tend to have a higher level of education and higher levels of revenue, and therefore the generalization of the study may be limited. In addition, since this study is an observation study, it remains the possibility of resistant confusion.”
Dr. Ken Berry, a family doctor and Diabetes specialist In Tennessee, he was not involved in the studio, but shared his thoughts on “healthy bias of users” that can potentially distort the results.
“People who eat the least processed meat and the least red meat in these studies – they also practiced every day,” said a doctor, talking about research. (East)
“People who eat the least processed meat and the least red meat in these studies – they also practiced every day,” he said in a video posted on his YouTube channel last week.
“They absolutely did not smoke. They did not drink excessively. They tried to live a healthy life.”
“We still need double blind, randomized tests to get out more accurate conclusions.”
Research has shown that regular exercise and eating whole, unprocessed foods can reduce the risk of dementia, Berry noted.
“I don’t think any diet expert would oppose it,” he said, but added that “no evidence” is that red meat is associated with a higher risk of dementia.
Tips for a healthy diet
Gentile has recommended the limit of portions of processed red meat such as bacon, sausages, hot dogs and delicatessic meat to less than a quarter of a portion a day, and consider healthier protein alternatives like fish, nuts, legumes and chicken.
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“A balanced diet with moderate quantities in terms of protein sources and size portion is key,” Gentile said. “If your diet is rich in red meat, try to replace one of these portions with beans, fish or chicken.”
One registered dietitian recommended the limit of servings of processed red meat and considering protein alternatives such as fish, nuts, legumes and chicken. (East)
Nutritionist also suggested involved brain food that promotes Every day, such as fruits, vegetables, whole grains and healthy fats.
Alzheimer’s association has long stimulated a balanced diet to prevent Alzheimer’s disease and all other types of dementia, Snyder noted.
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“This includes food that is less processed to give our body the necessary nutrients, because it is associated with a lower risk of cognitive fall,” she told Fox News Digital.
“As the research continues, we could discover other diet patterns that increase or reduce our risk.”
Berry pointed out that even though he described himself as a “carnivore”, he was not completely “against plants”.
“I’m an advocate a proper human nutritionwhich ranges from low carbohydrates with vegetables, berries and nuts, to ketto with some berries and vegetables and nuts, to ‘ketovore’ with only a little vegetable for taste and decoration, all the way to carnivore, “he said in his video.
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The best nutrition for each individual should depend on several factors, he said, including their overall metabolic health, age, weight, genetics and intestinal microbioma.
Berry added, “It’s the correct spectrum of human nutrition.”
