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Bleeding from the rectum is a clear indicator that young adults may have colorectal cancer, based on a new study.

Scientists reported that rectal bleeding in younger adults raises the odds of a colorectal cancer diagnosis by 8.5 times.

The scientists reached their findings after examining 443 individuals under 50 who underwent a colonoscopy at a medical center between 2021 and 2023.

Among the participants, 195 were diagnosed with early-onset colorectal cancer while 248 subjects had clear colonoscopy results.

The researchers noted that 88% of the younger individuals with cancer underwent a colonoscopy because of symptoms, not because of routine screenings.

They added that a significant percentage of the cancer patients had no family history of the disease.

In addition, people who had smoked in the past were more than two times as prone to develop young-onset colorectal cancer as people who hadn’t smoked.

The scientific study was shared this week at a major medical conference. The findings have not been published in a scientific publication.

Rectal Bleeding Could Signal Bowel Cancer

The scientists stated that their research shows that young adults as well as medical professionals should consider rectal bleeding as a important indicator of colorectal cancer.

“Many of the early-onset colorectal cancers that I see have no family history,” commented a specialist and lead researcher of the research. “This research lends support to the question of who should or shouldn’t warrant a colonoscopy: if you have a person under the screening age with rectal bleeding, you should seriously consider a colonoscopy.”

Experts interviewed who were independent in the research concurred with this conclusion.

“Young people with rectal bleeding should undergo a colonoscopy,” advised a cancer specialist. “The most difficult point to get across is that colorectal cancer is a disease of younger individuals.”

Another surgical oncologist said that medical professionals should no longer assume that rectal bleeding in individuals under 50 is caused by hemorrhoids.

“Colorectal cancer is a younger individual’s condition,” he said. “We can not dismiss signs such as rectal bleeding in young adults.”

A leading expert of early cancer detection science at a national cancer institute agrees.

“Physicians often downplay symptoms of colorectal cancer in younger adults, believing that the chances of the symptoms being caused by colorectal cancer are unlikely because the individual is too young,” the specialist noted. “The research findings are expected. Ongoing rectal bleeding is abnormal and the cause should be immediately investigated.”

A medical oncologist said that the research is an important reminder to people below the age of 50.

“Don’t ignore any symptoms,” he advised. “This research sends this message a little louder.”

Bowel Cancer Instances Increasing in Younger Individuals

A major cancer organization projects there will be more than one hundred fifty thousand diagnoses of colorectal cancer diagnosed in the United States this year.

Over 100,000 of those instances will be colon cancer, while just under 50,000 will be rectal cancer.

The diagnoses are split roughly equally between males and females.

Colorectal cancer is the third-leading cause of cancer deaths in males and the fourth most common leading cause in females in the United States. It’s the second prevalent cause of cancer deaths overall. Colorectal cancer is projected to cause about fifty-three thousand deaths this year.

The cancer organization reports that the incidence of people being found with colorectal cancer in the United States has been decreasing approximately 1% per year since the 1980s. They credit early screening and improvements in lifestyle habits.

Nevertheless, they note that the decrease is primarily occurring in older adults. In people under 50, the incidence of colorectal cancer diagnosis increased more than two percent per year between 2012 and 2021.

The death rate from colorectal cancer has also been declining moderately in the general public, but it has been rising slightly in individuals under 50.

Actually, colon cancer is the primary reason of cancer death in adults ages 20 to 49 in the United States.

An expert said that people born around 1990 have twice the risk of colorectal cancer compared with people born approximately 1950.

“These dangers are continuing to rise and are carried forward as people get older, meaning we see more cases of colorectal cancer both below and above age 45,” he explained.

Doctors are unsure what is driving the increase in young-onset colorectal cancer, but diet, lack of physical activity, and excess weight are among the suspected causes.

Another expert said there are also some theories that the overuse of medications as well as swelling in the body may be helping increase colorectal cancer rates.

In addition, there has also been some research suggesting that intestinal bacteria may also be involved.

One expert suggested that contact to this type of microbes as a child may cause colorectal cancer to appear 20 to 30 years down the road.

“We’re continuing to working to understand all this out,” he said.

The Importance of Bowel Cancer Screenings Matter

Healthcare professionals state that colorectal cancer is curable if detected in its initial phases. In later stages, it can be fatal.

They emphasize that’s why screenings are crucial.

Present recommendations call for males and females to begin being screened for colorectal cancer at age forty-five.

In addition, tests may be necessary prior to age 45 if a person has a genetic background of colorectal cancer or has certain health issues such as inflammatory bowel disease (IBD).

It’s recommended that colonoscopy screenings be done once a decade for people with no family history of the disease and no polyps found during the procedure. The interval between tests can be more frequent for other patients.

Colon examinations are generally considered the most effective screening for colorectal cancer, but alternative methods, such as home test kits, can also be used.

In addition to rectal bleeding, other symptoms of colorectal cancer include:

• change in bowel habits
• diarrhea
• constipation
• pain or abdominal pain
• unexplained weight loss

An expert adds that family history should never be overlooked.

“People should know their genetic background of cancer and any identification of colorectal cancer among family members should be discussed with their doctor, especially if relatives were found at a early age,” he said.

Ways to Lower Your Risk of Colorectal Cancer

There are a variety of ways a person can reduce their likelihood of colorectal cancer. Among them:

• Healthy diet: Diets high in unhealthy fats and low in dietary fiber are linked with an increased risk of colorectal cancer. Beef and processed foods have been demonstrated to increase the danger. Nutrition from poultry, fish, and legumes is considered a better option. High-fiber foods, such as fruits, greens, and cereals, may decrease the probability of colorectal cancer.
• Physical activity: A leading cancer research institute recommends two and a half hours of moderate-intensity exercise a week. {Regular|Consistent