Red meat intake, poor education linked to colorectal cancer 紅肉攝入量大, 教育程度低, 與結直腸癌相關

中文版谷歌中文翻譯(90% 準確率) | English translation
Buy/Sell Your Domains Here。在這裡購買/出售您的域名
Contact Dr. Lu for information about cancer treatments。聯繫盧博士,獲取有關癌症治療資訊。

News Release 20-May-2021

Editor’s note: Education is one of most important factor that affect a person’s risk of cancer, all kinds of cancer. High education means not only a person has more knowledge, and potentially also mean that the person is more intellectually capable of thinking all things through before make a life-or-death decision. Bad decisions can increase risk of cancer, and bad decisions can impact a patient’s survival odds. High education also means a person has a better income, which allows him or her to take better care of him or her.

編者註:教育是影響一個人罹患各種癌症的風險的最重要因素之一。 高等教育不僅意味著一個人擁有更多的知識,而且還可能意味著該人在做出生死攸關的決定之前,具有更強的思維能力來思考所有事情。 錯誤的決定會增加患癌症的風險,錯誤的決定會影響患者的生存機率。 高等教育還意味著一個人的收入更高,這使他或她能夠更好地照顧自己。

Oxford University Press USA

Research News

A new paper in JNCI Cancer Spectrum, published by Oxford University Press, indicates that several non-genetic factors–including greater red meat intake, lower educational attainment, and heavier alcohol use–are associated with an increase in colorectal cancer in people under 50.

In the United States, incidence rates of early-onset colorectal cancer have nearly doubled between 1992 and 2013 (from 8.6 to 13.1 per 100,000), with most of this increase due to early-onset cancers of the rectum. Approximately 1 in 10 diagnoses of colorectal cancer in this country occur in people under 50.

Researchers have observed the rise particularly among people born since the 1960s in studies from the United States, Canada, Australia, and Japan. During the same period there have been major changes in diets among younger generations across the developing world. Such changes include decreases in consumption of fruits, non-potato vegetables, and calcium-rich dairy sources. This is coupled with an increase in processed foods (e.g., meats, pizza, macaroni and cheese, etc.) and soft drinks. Average nutrient intakes of fiber, folate, and calcium among the U.S. population are also lower than recommended.

The increase in early onset colorectal cancer is concerning to researchers because these cancers often have worse outcomes than those diagnosed in older people. It has led to recommendations that colorectal cancer screening begin at younger ages.

Previous research has outlined potential risk factors for early-onset colorectal cancer including greater consumption of processed meat, reduced consumption of vegetables and citrus fruit, greater body mass index, sedentary lifestyles, greater alcohol use, smoking, reduced aspirin use, and diabetes. However, researchers have yet to perform a comprehensive, large-scale evaluation that compares the magnitude of these risks with those for late-onset colorectal cancer and assesses whether the risks for early-onset colorectal cancer correlate with specific types of colorectal cancer.

Using data pooled from 13 population-based studies, researchers here studied 3,767 colorectal cancer cases and 4,049 controls in people under 50 and 23,437 colorectal cancer cases and 35,311 controls in people 50 or above years.

Early-onset colorectal cancer was associated with not regularly using aspirins, greater red meat intake, lower educational attainment, heavier alcohol use, and (interestingly enough) also alcohol abstinence. Researchers also found that lower total fiber intake was linked more strongly to rectal than colon cancer.

Several other colorectal cancer risk factors trended toward an association with early-onset colorectal cancer, including history of diabetes and lower folate, dietary fiber, and calcium intake. However, neither BMI nor smoking were risk factors in the early-onset group, in contrast to the late-onset group.

According to Richard Hayes, the senior investigator for this research: “this first large-scale study of non-genetic risk factors for early-onset colorectal cancer is providing the initial basis for targeted identification of those most at risk, which is imperative in mitigating the rising burden of this disease.”


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