Shocking Increase in Bowel Cancer Among Under-50s: How Lifestyle Choices Are to Blame

Bowel cancer, or colorectal cancer, is on the rise among people under 50 in numerous countries. Research indicates that lifestyle choices play a big role in this trend. Professor Sarah Allinson from the UK highlights that while bowel cancer is mainly diagnosed in those over 50, more young individuals are now facing this serious disease.

Each year, nearly two million people are diagnosed with bowel cancer, making it the third most common cancer globally. A study conducted in 2019 revealed a worrying trend: in developed countries with high historical rates of this cancer, cases in those over 50 stabilized or even declined, thanks to effective screening programs. However, the same study found that bowel cancer was becoming more common among those under 50 across all analyzed nations.

For instance, in Norway, someone born in 1990 has a five times greater risk of developing rectal cancer compared to someone born in 1920. Similarly, a broader study found rising bowel cancer rates in Europe, Latin America, the Caribbean, and Asia, especially among young people.

Although researchers are still uncovering the reasons behind this increase, unhealthy lifestyles are likely at fault. For instance, low physical activity and diets high in fat and processed meats, while low in fiber, have been linked to a higher cancer risk. Cancer Research UK estimates that over half of bowel cancer cases in the UK could be prevented by addressing these lifestyle factors.

The shift towards a Westernized diet has also impacted countries like Japan. As Japan has developed economically and adopted a more Western diet, its bowel cancer rates have surged.

Another significant factor is the obesity epidemic. Approximately 2.2 billion people are overweight globally, with about 890 million classified as obese. Alarmingly, obesity rates in children and teens have skyrocketed, increasing tenfold since the mid-1970s. The metabolic changes linked to obesity, such as hormone imbalances and chronic inflammation, can contribute to cancer development.

Our diet also affects our gut microbiome, the bacteria and microbes in our digestive system. A Western-style diet can disrupt the balance of beneficial and harmful bacteria, potentially increasing the likelihood of bowel cancer, particularly in younger individuals.

Unfortunately, bowel cancer is often diagnosed late in younger patients. Many screening programs focus on individuals over 50, and surveys show a lack of awareness about colorectal cancer among younger people and their doctors.

Being aware of the symptoms is crucial. Abdominal pain, blood in stools, changes in bowel habits, and unexplained weight loss may indicate bowel cancer. While these symptoms can occur for various reasons, it’s essential to seek medical advice to rule out cancer.

To lower the risk of bowel cancer at any age, making healthier choices can make a real difference. Focus on a balanced diet, limit ultra-processed foods and alcohol consumption, avoid smoking, and stay active.

This information highlights the importance of lifestyle in preventing bowel cancer, especially as rates among younger individuals continue to rise.

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