For many years, bowel cancer was considered a disease that affected people over 50. But in recent years, doctors have noticed a worrying trend — bowel cancer is increasing among younger adults. This shift has left researchers and clinicians asking why, and how we can better prevent and support those affected.
The Alarming Trend
Around the world, bowel cancer rates are rising in adults under 50. In Australia, as in many other high-income countries, the number of younger people being diagnosed has steadily climbed over the past decade. In the United States, one in five new cases now occur in people under 55. What makes this particularly concerning is that younger adults are not routinely screened, meaning diagnosis often happens later, when the disease is more advanced.
What’s Driving This Increase?
Researchers are still piecing together the reasons, but it’s likely a combination of modern lifestyle, diet, and environmental factors.
- Dietary changes – Higher consumption of processed and ultra-processed foods, red and processed meats, and lower fibre intake all contribute to poor gut health and increased inflammation.
- Gut microbiome changes – Antibiotic use, low-fibre diets, and chemical exposures can reduce microbial diversity in the gut. Certain bacterial imbalances may promote inflammation and even influence cancer development.
- Sedentary lifestyles and metabolic health – Rising rates of obesity, insulin resistance, and chronic low-grade inflammation create an internal environment that can drive cellular damage.
- Environmental toxins – Exposure to endocrine-disrupting chemicals, plastics, and pollutants may also play a role in bowel cell changes.
- Early life influences – Some experts believe that exposures during childhood — such as antibiotics, diet, and chemicals — can alter long-term risk.
While genetics do play a role, most early-onset bowel cancers are not caused by inherited mutations, suggesting environment and lifestyle are the biggest drivers.
How a Naturopath Can Support Treatment and Recovery
A naturopath works alongside your medical team to support you through all stages of treatment — from diagnosis and active therapy through to recovery and prevention of recurrence. The goal is to help the body stay resilient, reduce side effects, and restore balance after medical treatment.
During active treatment such as chemotherapy, surgery, or radiation, naturopathic support focuses on:
- Nutrition and digestion – Ensuring meals are nutrient-dense, anti-inflammatory, and easy to digest to support energy, immunity, and tissue repair.
- Gut support – Protecting the intestinal lining and rebuilding microbial diversity to reduce side effects like nausea, bloating, and bowel changes.
- Targeted supplementation – Correcting deficiencies and using nutrients or herbal formulas that support healing, provided they are safe and do not interact with prescribed medications.
- Liver and detoxification support – Helping the body process medications and metabolic waste more efficiently through gentle nutritional and herbal support.
- Energy and stress management – Incorporating practices such as mindfulness, breathing, and restorative rest to improve sleep, reduce anxiety, and support overall resilience.
After treatment, the focus shifts to recovery and prevention — rebuilding vitality, restoring gut health, and reducing inflammation. Naturopathic care helps patients regain strength, support detox pathways, rebalance hormones, and improve mental wellbeing. This stage is often where long-term dietary and lifestyle habits are established to help prevent recurrence.
Naturopathy in Prevention
Naturopathic medicine places a strong emphasis on prevention — helping people build long-term health before illness develops. When it comes to bowel cancer, many evidence-based preventive strategies align with naturopathic principles:
- Eat a high-fibre, plant-focused diet rich in vegetables, fruits, legumes, and whole grains.
- Limit processed and red meats, refined sugars, and ultra-processed foods.
- Maintain a healthy weight and support metabolic balance.
- Move your body daily — regular exercise improves gut motility and reduces inflammation.
- Manage stress and ensure adequate sleep, both of which regulate immune and hormonal balance.
- Avoid smoking and minimise alcohol consumption.
- Choose filtered water and reduce exposure to environmental toxins such as plastics, pesticides, and chemical cleaning products.
- Support gut health with prebiotic and probiotic foods to encourage microbial diversity.
- Be aware of your body — if you experience rectal bleeding, changes in bowel habits, or unexplained fatigue or weight loss, see your GP promptly.
Integrative Care and Early Detection
It’s important to remember that naturopathic treatment is complementary, not an alternative to medical care. Working alongside oncologists and GPs ensures that every aspect of health — physical, emotional, and biochemical — is addressed safely. Early detection also saves lives, so anyone with symptoms should seek medical advice promptly, regardless of age.
The Takeaway
Bowel cancer is no longer just a disease of older adults. Rising rates in younger people highlight the urgent need for prevention, awareness, and early action. Naturopathic medicine can play a valuable role in both recovery and prevention — addressing the underlying inflammation, microbiome imbalances, and lifestyle factors that influence cancer risk.
By combining conventional care with evidence-based natural therapies, we can support healing, reduce recurrence risk, and empower people to take control of their long-term health.
If you would like to learn more about how we can support you book a discovery call today
Naturopath, Nutritionist and Buteyko Practitioner at Elemental Health, St. Ives - Sydney.