The Rise of Colorectal Cancer and Why Getting Enough Fiber Matters
If you’ve been hearing more about colon cancer lately, you’re not imagining it. Colorectal cancer remains a major health concern in Canada, and while overall rates are declining, there is an important trend happening among younger adults that deserves attention.
The good news? There are everyday habits that can support better health—and getting enough dietary fiber is one of them.
Important: This article is for general education and isn’t medical advice. Eating more fiber does not guarantee protection from colorectal cancer, and diet is only one factor that influences cancer risk.
Colorectal Cancer Is Becoming a Bigger Conversation
Colorectal cancer—often called colon or bowel cancer—is one of the most commonly diagnosed cancers in Canada. The Canadian Cancer Society estimates that about 25,300 Canadians will be diagnosed with colorectal cancer in 2026, with approximately 9,200 deaths projected. [Canadian Cancer Society-Colorectal cancer statistics]
There’s an important piece of the story, though.
Overall colorectal cancer rates in Canada have been declining, which is encouraging. Screening and improvements in diagnosis and treatment are contributing to that decline.
At the same time, colorectal cancer has been increasing among younger adults. In March 2026, the Canadian Cancer Society reported that incidence among Canadians under 50 has increased significantly over recent decades and called for organized screening programs to begin at age 45 for people at average risk. [Canadian Cancer Society – Cases rise for people under 50]
That’s one reason conversations about prevention, healthy eating, physical activity, body weight, and screening are becoming increasingly important.
So, What’s the Connection Between Fiber and Colon Health?
Let’s talk about fiber.
Fiber is a type of carbohydrate that your body doesn’t fully digest. Instead of being broken down and absorbed like many other carbohydrates, much of it travels through your digestive system.
And your digestive system likes having it around.
According to Health Canada, fiber can help with bowel regularity, feeling full longer, and maintaining healthy cholesterol levels. Good food sources include fruits, vegetables, legumes, nuts, seeds, and whole grains—including oats. [Health Canada – Importance of Fiber]
But fiber’s relationship with colorectal health is especially interesting.
The World Cancer Research Fund reports strong evidence that foods containing dietary fiber and whole grains are associated with a lower risk of colorectal cancer. Their cancer-prevention recommendations encourage getting at least 30 grams of fiber per day from food sources. [World Cancer Research – High Fiber Foods]
That doesn’t mean fiber is a magic shield against cancer. It isn’t.
Cancer is complicated, and many factors—including genetics, age, family history, physical activity, body weight, alcohol consumption, smoking, diet, and other environmental factors—can influence risk.
But it does mean that a fiber-rich eating pattern is a worthwhile part of an overall healthy lifestyle.
How Much Fiber Do You Actually Need?
Here’s where things get interesting.
Health Canada reports that Canadian women need about 25 grams of fiber per day, while men need about 38 grams per day—and notes that most Canadians consume only about half those amounts.
That’s a pretty significant gap.
And you don’t have to overhaul your entire diet overnight.
Instead, think about adding fiber throughout your day.
Easy ways to get more fiber
Try adding:
- Oats or whole-grain cereals at breakfast
- Berries, apples, pears, or other whole fruit
- Vegetables with lunch and dinner
- Beans, chickpeas, lentils, or peas
- Nuts and seeds
- Whole-grain breads, rice, and pasta
- High-fiber snacks
Canada’s current healthy eating guidance also recommends eating plenty of vegetables and fruits, whole-grain foods, and protein foods, while choosing plant-based protein foods more often. [Health Canada – Dietary Guidelines]
The key is consistency, not perfection.
Why Breakfast Is a Great Place to Start
If you’re trying to increase your daily fiber intake, breakfast is an easy place to build the habit.
Think about a typical morning: coffee, maybe toast, maybe something grabbed on the way out the door.
Now compare that with a breakfast built around oats, fruit, nuts, and seeds.
Suddenly, you’re starting your day with several foods that naturally contribute fiber.
Oats are particularly convenient because they’re a whole-grain food and an easy base for a high-fiber breakfast. Health Canada specifically lists oats among whole-grain sources of dietary fiber.
And that’s part of why we love overnight oats.
Making Fiber Easier With Overnight Oats
At Fiber Foundry, we believe healthy habits shouldn’t require a complicated morning routine.
Our high-fiber overnight oats are designed to make breakfast simple: prepare them the night before, refrigerate, and they’re ready to enjoy the next morning.
We offer two flavors:
Maple Pecan — warm maple flavor with rich, nutty pecan.
Chocolate Banana — chocolate and naturally sweet banana in a creamy oat breakfast.
Both are made with natural flavors and sweeteners and contain no artificial colors or flavors.
Of course, no single food can provide everything your body needs. We see overnight oats as one convenient way to help incorporate fiber into a broader, varied diet.
Fiber Isn’t Just About Cancer Prevention
It’s also worth remembering that fiber has benefits beyond the conversation around colorectal cancer.
Fiber can help you feel fuller for longer and supports normal bowel regularity.
And when you get fiber from a variety of plant foods—whole grains, fruits, vegetables, legumes, nuts, and seeds—you’re also getting a range of other nutrients and beneficial plant compounds.
That’s why the goal isn’t simply to find one high-fiber food and eat it every day.
It’s to gradually build a diet where fiber-rich foods show up regularly.
A Simple Goal: Add, Don’t Overthink
If you’re currently eating very little fiber, don’t feel like you need to jump straight to 30 or 38 grams tomorrow.
Start small.
Add some berries to breakfast. Choose whole grains more often. Toss beans into lunch. Snack on nuts. Add vegetables to dinner. Try a bowl of overnight oats in the morning.
And drink enough fluids as you increase your fiber intake.
Small changes, repeated consistently, can add up.
And Don’t Forget About Screening
A high-fiber diet is not a replacement for colorectal cancer screening.
Because colorectal cancer can sometimes develop without obvious symptoms, following screening recommendations appropriate for your age and personal risk is important. Screening can help detect colorectal cancer earlier and can sometimes identify precancerous growths before they become cancer.
The Canadian Cancer Society is currently advocating for organized screening to begin at age 45 for average-risk Canadians because of the increase in colorectal cancer among younger adults.
If you have a family history of colorectal cancer, concerning symptoms, or questions about when you should be screened, talk with your healthcare professional.
Better Breakfast Starts With Better Habits
We don’t believe breakfast needs to be complicated.
Getting enough fiber is one piece of a healthy eating pattern, and oats make it easy to work a fiber-rich whole grain into your morning routine.
So prep your breakfast tonight. Add some fruit, nuts, or seeds if you like. Get moving. Eat a variety of foods. Keep up with recommended screening.
And most importantly, think about the little choices you can make consistently—not chasing perfection.
Better breakfast starts the night before.
Sources:
Health Canada — Fiber: information on recommended fiber intake, sources of fiber, and benefits. Health Canada: Fiber
Canadian Cancer Society — Colorectal Cancer Statistics: current Canadian colorectal cancer statistics and trends. Canadian Cancer Society: Colorectal Cancer Statistics
Canadian Cancer Society — 2026 screening statement: information about rising colorectal cancer incidence among Canadians under 50 and screening recommendations. Canadian Cancer Society: Lowering the Colorectal Cancer Screening Age
World Cancer Research Fund — Whole Grains, Vegetables, Fruit and Beans: evidence regarding fiber, whole grains, and colorectal cancer risk. World Cancer Research Fund: Whole Grains, Vegetables, Fruit and Beans