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Bleeding from the rectum is a telltale sign that individuals under 50 could have colorectal cancer, according to a recent research.

Researchers found that rectal bleeding in individuals under 50 raises the likelihood of a colorectal cancer diagnosis by 8.5 times.

The scientists reached their findings after examining 443 individuals below 50 who had a colonoscopy at a university health system between 2021 and 2023.

Of the participants, 195 were diagnosed with young-onset colorectal cancer while the remaining subjects had normal colonoscopy results.

The researchers said that 88% of the young cancer patients had a colonoscopy because of symptoms, not because of routine screenings.

They added that a significant percentage of the cancer patients had no genetic background of the condition.

Furthermore, people who had used tobacco in the past were more than two times as likely to develop early onset colorectal cancer as people who hadn’t smoked.

The scientific study was shared this week at a professional gathering. The findings have yet to be released in a peer-reviewed journal.

Rectal Bleeding May Indicate Bowel Cancer

The researchers stated that their research demonstrates that individuals under 50 as well as healthcare providers should consider rectal bleeding as a important indicator of colorectal cancer.

“Many of the early-onset colorectal cancers that I encounter have no family history,” said a colorectal surgeon and lead researcher of the research. “This research lends support to the issue of who does or doesn’t require a colonoscopy: if you have a individual below the recommended age with rectal bleeding, you should seriously consider a colonoscopy.”

Experts interviewed who were not involved in the research agreed with this conclusion.

“Younger individuals with rectal bleeding should undergo a colonoscopy,” said a professor of medical oncology. “The hardest message to get across is that colorectal cancer is a condition of young people.”

Another cancer surgeon said that doctors should not assume that rectal bleeding in individuals under 50 is caused by hemorrhoids.

“Colorectal cancer is a young person’s disease,” he said. “We can no longer take for granted signs such as rectal bleeding in young adults.”

A senior vice president of cancer screening science at a national cancer institute concurs.

“Physicians often minimize symptoms of colorectal cancer in individuals under 50, believing that the probability of the symptoms being caused by colorectal cancer are unlikely because the patient is under 50,” the expert said. “The research findings are not surprising. Ongoing rectal bleeding is abnormal and the source should be promptly examined.”

A medical oncologist said that the research is an significant warning to people under the age of 50.

“Don’t ignore any symptoms,” he said. “This research delivers this warning a little louder.”

Colorectal Cancer Cases Rising in Younger Individuals

A national cancer institute estimates 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 cases will be colon cancer, while just under 50,000 will be rectum cancer.

The diagnoses are split roughly equally between men and women.

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 most common cause of cancer fatalities overall. Colorectal cancer is projected to cause approximately fifty-three thousand deaths this year.

The cancer organization states that the incidence of people being found with colorectal cancer in the United States has been declining about one percent per year since the 1980s. They credit early screening and changes in lifestyle habits.

Nevertheless, they point out that the downward trend is mostly occurring in individuals over 50. In people under 50, the rate of colorectal cancer diagnosis rose more than two percent per year between 2012 and 2021.

The death rate from colorectal cancer has also been declining moderately in the overall population, but it has been increasing slightly in individuals under 50.

In fact, colon cancer is the leading cause of cancer-related death in adults between 20 to 49 in the United States.

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

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

Medical professionals aren’t certain what is causing the rise in early onset colorectal cancer, but diet, lack of physical activity, and obesity are among the possible factors.

Another specialist mentioned there are also some theories that the overuse of antibiotics as well as inflammation in the body may be helping increase colorectal cancer incidence.

Furthermore, there has also been some research suggesting that gut microbes may also be involved.

One expert said that contact to this type of microbes as a child may cause colorectal cancer to appear twenty to thirty years down the road.

“We’re continuing to trying to figure everything out,” he commented.

The Importance of Bowel Cancer Tests Are Important

Medical experts say that colorectal cancer is treatable if caught in its early stages. In advanced phases, it can be deadly.

They emphasize that’s why examinations are vital.

Current recommendations call for men and women to start being screened for colorectal cancer at age forty-five.

In addition, tests may be required before age 45 if a individual has a genetic background of colorectal cancer or has specific health issues such as inflammatory bowel disease (IBD).

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

Colon examinations are typically considered the best screening for colorectal cancer, but alternative methods, such as home test kits, can additionally be used.

Besides rectal bleeding, other signs of colorectal cancer include:

• change in bowel habits
• diarrhea
• constipation
• pain or stomach pain
• unexpected weight loss

An expert adds that genetic background should not be ignored.

“Individuals should be aware of their genetic background of cancer and any identification of colorectal cancer among relatives should be discussed with their physician, especially if relatives were diagnosed at a early age,” he said.

How to Reduce Your Chances of Bowel Cancer

There are a number of ways a individual can reduce their likelihood of colorectal cancer. These include:

• Healthy diet: Eating patterns high in unhealthy fats and low in dietary fiber are associated with an higher risk of colorectal cancer. Beef and processed foods have been demonstrated to increase the danger. Protein from poultry, seafood, and legumes is considered a healthier choice. High-fiber foods, such as produce, vegetables, and cereals, may lower the probability of colorectal cancer.
• Physical activity: A leading health organization recommends two and a half hours of moderate physical activity a week. {Regular|Consistent