21.09.2026

Preventing Colon Cancer: What Can I Do Myself?

A Healthy Lifestyle Can Reduce the Risk

By Dr. med. André Kugener

Many people are diagnosed with colorectal cancer every year. Consequently, many people ask themselves: Can colorectal cancer be prevented?

The answer is: Yes, to a certain extent. Scientific studies show that certain lifestyle factors can lower the risk of colorectal cancer. At the same time, it’s important to know that even the healthiest lifestyle doesn’t offer complete protection. That’s why screenings remain a key part of colorectal cancer prevention.

Nutrition plays an important role

Our dietary habits have a direct impact on gut health.

In particular, a high intake of red meat is associated with an increased risk of colorectal cancer. These include, for example:

Beef
Pork
Lamb
Processed meat products

Empfohlen wird stattdessen häufiger zu folgenden Alternativen zu greifen:

Fisch
Geflügel
Pflanzliche Eiweissquellen
Hülsenfrüchte

Eine ausgewogene Ernährung mit viel Gemüse und Vollkornprodukten unterstützt zusätzlich eine gesunde Darmfunktion.

Physical Activity as an Important Protective Factor

In addition to diet, regular physical activity also plays an important role.

Even moderate exercise can have a positive effect on your health:

Walking
Cycling
Swimming
Hiking
Strength training

Regular exercise not only supports gut health but also has a positive effect on the cardiovascular system, weight, and overall well-being.

Prevention remains essential nonetheless

A common misconception is that a healthy lifestyle can completely prevent colorectal cancer.
Unfortunately, that is not the case.
A balanced diet, sufficient exercise, and a high-fiber diet can reduce the risk. However, they are no substitute for screening.
That is precisely why experts recommend taking advantage of colorectal cancer screening options, especially once you reach the recommended screening age.

Conclusion

If you want to support your gut health, there’s a lot you can do in your daily life: eating more fiber, getting regular exercise, and being mindful of your red meat intake are key components.
However, it’s important to note that while a healthy lifestyle reduces the risk, it is no substitute for colorectal cancer screening. The combination of prevention and early detection offers the best protection.

Ärztezentrum Ostermundigen

Dr méd. André Kugener

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