Health
Cancer risk could increase with consumption of certain foods and drinks, study finds
Consuming certain foods and drinks could put people at a higher risk of developing colorectal cancer (CRC), according to a new study published in the journal Nutrients.
Researchers from the Zhejiang University School of Medicine in China analyzed 139 dietary factors and their impact on the risk of developing colorectal cancer (CRC).
The participants included 118,210 people who participated in the long-running UK Biobank study — all of whom completed online questionnaires about their food intake.
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After a mean follow-up of 12.8 years, the researchers identified eight foods that were shown to influence CRC risk.
The first two, alcohol and white bread, were found to increase the risk, regardless of genetic factors.
Previous studies also linked alcohol with increased cancer risk.
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“Ethanol in any type of alcoholic beverage is a known risk factor for CRC because its first metabolite, acetaldehyde, has been evaluated as a human carcinogen by the International Agency for Research,” the study authors wrote.
The white bread-related risk is also consistent with previous studies, they noted.
Colorectal cancer is the third most common type of cancer among U.S. adults, according to the American Cancer Society.
“Notably, whole grains are a major source of many vitamins, minerals and phytochemicals that have anti-cancer properties and may influence CRC risk through several potential mechanisms,” the authors wrote.
The other six dietary elements – fiber, calcium, magnesium, phosphorus, manganese and carbohydrate intake – were all found to lower the risk of colorectal cancer, the researchers found.
The remaining foods did not show any impact on CRC risk.
These results persisted after adjusting for such factors as family history, age, gender, socioeconomic deprivation and education.
Fox News Digital reached out to the study authors for comment.
“The findings of this study reaffirm the well-established connection between lifestyle and dietary choices and the prevention of colorectal cancer.”
Misagh Karimi, M.D., a medical oncologist and colorectal cancer specialist at City of Hope Orange County Lennar Foundation Cancer Center in Irvine, California, was not involved in the study but offered his reaction to its results.
“The findings of this study reaffirm the well-established connection between lifestyle and dietary choices and the prevention of colorectal cancer,” he told Fox News Digital.
“These findings emphasize the critical importance of adopting a healthy lifestyle and dietary habits, which include limiting alcohol consumption and choosing a diet rich in high-fiber foods to mitigate the risk of cancer,” Karimi added.
While the study doesn’t negate the importance of considering genetic factors in cancer risk, the doctor noted that it does underscore the impact diet can have on cancer prevention.
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“This study also stands out because of its size and design,” said Karimi.
“It involved a large sample population of 500,000 middle-aged people, a long follow-up period and a comprehensive assessment of dietary factors.”
The study did have one important limitation, however.
“As the researchers state, analysis was limited to a European population,” noted Karimi.
“To ensure the applicability of these findings to diverse populations, further studies are needed to validate these results on a wider population.”
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Erin Palinski-Wade, a New Jersey-based registered dietitian, also weighed in on the findings. She was not involved in the study.
“These results make sense, as diets rich in simple sugars along with excessive alcohol can increase cancer risk, especially for those who carry an increased genetic risk of developing cancer,” she told Fox News Digital.
“However, it is important to remember that this research shows association, not causation,” she said.
It is possible that a person who eats larger amounts of white bread consumes lower amounts of whole grains and fiber overall, the dietitian pointed out.
“And since fiber reduces the risk of colorectal cancer, consuming a diet low in fiber can increase risk, not the white bread itself,” she said.
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With alcohol intake, Palinski-Wade noted that quantity and frequency will have a significant impact on disease risk.
“In addition, we do not know what other lifestyle behaviors those consuming alcohol regularly in this research engaged in,” she said.
While the research highlights that eating more fiber and more whole foods can be beneficial in reducing cancer risk, Palinski-Wade noted that diet is not the only factor in cancer risk.
“In addition, one specific food, such as white bread, will not make or break your health,” she added.
“The overall nutrition quality of your full diet, day after day, will have the biggest impact.”
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While the dietitian recommends choosing whole grains over refined grains when possible, she said that doesn’t mean it’s necessary to avoid white bread altogether or that abstaining from eating it will automatically lower the risk.
“Instead, you should look at the full picture of your dietary and lifestyle behaviors consistently over time to assess and improve your own risk factors,” she said.
Colorectal cancer is the third most common type of cancer among U.S. adults, according to the American Cancer Society (ACS).
In 2023, it is expected that 106,970 new cases of colon cancer and 46,050 new cases of rectal cancer will be diagnosed.
While rates have been dropping among older adults in recent decades, they have been rising among people under 50, increasing 1% to 2% per year since the mid-1990s, per the ACS.
Dietary factors are known to contribute to a higher risk of these types of cancers.
A diet that is low in fruits, vegetables and fiber — or high in fat or processed meats — can contribute to a higher risk, according to the Centers for Disease Control and Prevention (CDC).
Alcohol consumption and tobacco use can also increase the risk, the health agency stated.
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Health
Just 5 minutes of exercise could reduce high blood pressure, study finds
Just a few minutes a day could make a big difference in your blood pressure, according to a new study published in Circulation, the journal of the American Heart Association.
Researchers at University College London (UCL) and the University of Sydney evaluated how small bursts of exercise impacted people’s blood pressure.
A total of 14,761 participants across six countries wore activity trackers while performing short physical tasks, including walking at various speeds, running, cycling or stair climbing, according to a press release from UCL.
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Throughout a 24-hour day, the participants had approximately seven hours of sleep, 10 hours of sedentary behavior (such as sitting), three hours of standing, one hour of slow walking, one hour of fast walking and just 16 minutes of exercise activities, the release stated.
The researchers then analyzed what happened to blood pressure when a person replaced a less active behavior with five minutes of exercise, finding that it resulted in “clinically meaningful” improvements.
Incorporating just 10 to 20 additional minutes of exercise per day could equate to a 10% reduction in heart disease risk, the release stated.
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“Our findings suggest that, for most people, exercise is key to reducing blood pressure, rather than less strenuous forms of movement, such as walking,” Dr. Jo Blodgett, first author of the study from UCL Surgery & Interventional Science and the Institute of Sport, Exercise & Health, said in the release.
“The good news is that whatever your physical ability, it doesn’t take long to have a positive effect on blood pressure,” she continued.
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“What’s unique about our exercise variable is that it includes all exercise-like activities, from climbing the stairs to a short cycling errand, many of which can be integrated into daily routines.”
While walking did have some positive effects, the researcher noted, exercises that “put more demand on the cardiovascular system” were shown to be most beneficial for blood pressure.
“When we lead lifestyles our bodies weren’t designed for — such as being sedentary or having constant access to high-calorie foods — our health can suffer.”
Elevated blood pressure (hypertension) is defined as readings that are consistently above 140/90 mmHg.
The first number, systolic blood pressure (SBP), measures the pressure against the artery walls when the heart beats, UCL noted.
The second number, diastolic blood pressure (DBP), measures the pressure against the artery walls while the heart muscle rests between beats.
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The condition affects 1.28 billion adults and is one of the leading causes of death worldwide, statistics show.
Despite the absence of symptoms, hypertension is a main contributing factor to heart attack, heart failure, stroke, kidney damage and other dangerous conditions.
“Previous research in this area has come from heavily controlled exercise training studies with supervised or prescribed exercise programs,” Professor Mark Hamer, joint senior author of the study from UCL Surgery & Interventional Science and the Institute of Sport, Exercise & Health, said in the release.
“The difficulty with these types of studies is that although they work to reduce blood pressure, when people finish the program, they usually revert to their sedentary habits.”
“Our study is unique as we observed free-living physical activity performed in everyday life can have benefits that are most likely far more sustainable long-term.”
This study confirms what clinicians and patients have long observed, according to Ian Del Conde Pozzi, M.D., cardiologist at Miami Cardiac & Vascular Institute.
“One way regular exercise reduces cardiovascular risk, including heart disease and stroke, is by lowering blood pressure and improving metabolic health, such as enhancing glucose metabolism and supporting healthy weight management,” Del Conde Pozzi, who was not involved in the study, told Fox News Digital.
The human body functions at its best with daily physical activity, the doctor noted.
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“When we lead lifestyles our bodies weren’t designed for — such as being sedentary or having constant access to high-calorie foods — our health can suffer,” he said.
Regular exercise helps restore the body to its “natural state,” allowing it to function better and helping to prevent many chronic health conditions.
Exercise alone may not be enough to resolve hypertension, however.
“While most patients with high blood pressure may not achieve full blood pressure control through exercise alone, some individuals can potentially prevent high blood pressure altogether by adopting a healthy lifestyle that includes regular exercise,” Del Conde Pozzi said.
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The study was supported by the British Heart Foundation.
Health
Gentle giant crowned American Humane’s 2024 Hero Dog for finding missing children and more
The American Humane announced the winning dog for its annual Hero Dog Award — and the working pet has a unique story.
The Hero Dog Awards announced the finalists for the award as a way to shed light on these remarkable animals’ efforts in a variety of areas.
The organization, headquartered in Washington, D.C., was founded in 1877 and is the country’s first national humane organization committed to animals.
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The annual nationwide competition identifies America’s top dogs in five key categories: military dogs; law enforcement and first responder dogs; service and guide or hearing dogs; therapy dogs; and emerging hero and shelter dogs.
Beginning in April, hundreds of dog owners across the country submitted the names of their pets for consideration for “Hero Dog.”
This year, the winner of the Hero Dog Award is Bo, a law enforcement and first responder dog.
He’s an 18-month-old bloodhound male from Gastonia, North Carolina, who works with the Gastonia Police Department.
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Though still young, Bo has been saving lives and solving crimes since he was just eight months old, according to the American Humane.
He started his career in law enforcement in 2023 after the police department handpicked him from a litter of puppies — and Bo went home with Sgt. David Rowland for further training.
After training the dog and working on bonding, Rowland said his family took a keen liking to the dog.
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The American Humane noted that a bloodhound breed was new for the Gastonia Police Department, as it’s only ever had German shepherds and other classic law enforcement breeds prior to this.
Bo is known for his unique personality. He’s easily frightened by Halloween decorations — but has been called a gentle giant.
Bo is able to approach and comfort the people he tracks down — making him a secret weapon for the department.
Since he began working, Bo has tracked down a missing 11-year-old child with autism, plus a 7-year-old kidnapping victim — and he’s found many lost senior citizens as well.
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Rowland told Fox News Digital that honoring Bo with the Hero Dog Award “means everything” to him and the Gastonia Police Department.
“All the hard work we’ve put in together pays off every time he brings a missing loved one back into the arms of their family,” he said.
He added, “This national recognition for Bo will surely bring comfort to the community we serve, showing them that Bo’s skills are here to help — whether it’s reuniting families or delivering justice to victims.”
American Humane president and CEO Robin Ganzert, PhD, told Fox News Digital that Bo “has accomplished more in his young life than many do in their entire careers.”
“Bo goes above and beyond to track down missing people and offer them love, comfort and kisses during their time of need,” she added.
The finalist dogs from each category will be honored at a gala in Palm Beach, Florida, in November — where the animals will walk, sniff and run down a red carpet.
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