Dr. Heidi Queen, MD | Energize Health & Hormones

What Prevention Really Looks Like

For a long time, colon cancer was thought of as a disease that primarily affected older adults. That narrative is changing. Rates of colorectal cancer are rising — and most concerning, they’re increasing fastest among adults under 50. While genetics play a role, emerging research suggests that lifestyle-driven inflammation, gut health, and biological aging may be central pieces of the puzzle.

This is where prevention becomes less about fear and more about understanding how everyday choices shape long-term colon health — and how a functional medicine approach can help identify risks early and support the body before disease takes hold.

Inflammation: When the Body’s Alarm System Gets Stuck “On”

Inflammation is the body’s natural response to injury or infection. In a healthy system, it turns on, does its job, and resolves. Problems arise when inflammation becomes chronic — lingering quietly in the background and contributing to disease over time.

Recent research examining colorectal cancer tumors found something striking: these tumors show a strong pro-inflammatory signature. They’re rich in inflammatory lipid mediators derived from omega-6 fatty acids and notably low in compounds that normally help resolve inflammation. In other words, the inflammatory response starts — but never fully shuts off.

This matters because unresolved inflammation can damage tissue, alter immune signaling, and create an environment where cancer cells are more likely to grow and thrive. Diet appears to play a meaningful role here. The modern Western diet — typically low in fiber and high in ultra-processed foods and omega-6-rich oils — has long been associated with chronic inflammation. Meanwhile, diets higher in omega-3 fats, whole foods, and plant diversity appear to have the opposite effect, supporting inflammatory balance rather than fueling it.

Biological Age vs. Chronological Age

One of the more interesting pieces of recent research connects colon cancer risk not just to age, but to biological aging — a measure of how well (or poorly) cells and tissues are functioning relative to a person’s actual age.

Someone may be 35 chronologically but have a biological age that reflects years of inflammatory stress, poor diet, disrupted gut health, and limited recovery. Studies now suggest that advanced biological aging is associated with a higher risk of colon polyps — often a precursor to colorectal cancer — which may help explain why younger adults are being diagnosed more frequently. Lifestyle factors such as diet, physical activity, sleep, stress, and toxin exposure all influence biological aging. This makes prevention less mysterious and far more actionable.

The Gut Microbiome: A Key Player in Colon Health

The gut microbiome — the trillions of bacteria living in the digestive tract — plays a critical role in immune function, inflammation regulation, and intestinal integrity. When this ecosystem is balanced, it supports health. When it’s disrupted (a state known as dysbiosis), disease risk increases.

Multiple large analyses have now found consistent differences in the gut microbiomes of people with colorectal cancer compared to healthy individuals. Certain microbes, including Fusobacterium and Enterobacter, appear more frequently in those with CRC, while beneficial bacteria such as Faecalibacterium are more common in healthy controls.

These findings don’t suggest a single “bad bacteria” causes cancer. Rather, they reinforce the idea that long-standing imbalances in the gut environment may contribute to inflammation, immune dysregulation, and changes in the colon lining over time. Supporting gut health, therefore, isn’t just about digestion — it’s about maintaining the integrity of the colon itself.

Nutrition Patterns That Support Colon Health

Rather than focusing on individual “superfoods,” research consistently points to overall dietary patterns as the most important factor in colon cancer prevention. A Mediterranean-style diet, in particular, has been associated with lower rates of colorectal cancer and reduced cancer-related mortality. This way of eating emphasizes:

• A wide variety of vegetables, fruits, and plant foods
• Fiber-rich whole grains and legumes
• Healthy fats from sources like olive oil, nuts, seeds, and fatty fish
• Limited intake of red and processed meats
• Minimal ultra-processed foods

Cruciferous vegetables — such as broccoli, kale, cabbage, and arugula — deserve special mention. These vegetables contain compounds that support detoxification pathways, protect DNA from damage, and help regulate inflammation. Even small, consistent intake appears to offer measurable benefits over time. Fiber also plays a central role, feeding beneficial gut bacteria and supporting regular elimination — a simple but essential part of colon health.

How Functional Medicine Supports Prevention

Functional medicine shifts the focus from disease treatment to risk identification and resilience building. Rather than waiting for symptoms to appear, practitioners look at the systems that influence long-term health — including digestion, metabolism, immune balance, and inflammation. In Dr. Heidi Queen’s concierge primary care practice, this often means taking a deeper look at how diet, gut health, lifestyle, and personal risk factors intersect. Prevention isn’t a one-size-fits-all checklist; it’s a personalized process that evolves over time.

Functional medicine may include:

• Evaluating digestive and gut health patterns
• Identifying inflammatory drivers unique to the individual
• Supporting sustainable dietary shifts rather than restrictive plans
• Addressing lifestyle factors that influence biological aging
• Coordinating prevention screenings with personalized care strategies

This collaborative, whole-person approach allows patients to be proactive — not reactive — about their health.

A Preventive Mindset, Started Early

Colorectal cancer remains highly treatable when detected early, and screenings remain essential. But prevention begins long before a test result. The emerging science is clear: inflammation, gut health, and lifestyle patterns matter — and they matter earlier than we once thought. Supporting colon health doesn’t require perfection. It requires consistency, awareness, and a care model that looks beyond symptoms to the systems underneath. That’s where functional medicine — and thoughtful primary care — can make a meaningful difference.

To learn more about personalized healthcare with Dr. Heidi Queen, MD, to explore the practice or schedule a complimentary discovery call at (415) 548-7901 or use our online appointment form. Isn’t it time you for you to experience a more connected way to care for your health?