How Fiber Can Reduce Your Risk for Colorectal Cancer
What you need to know to get enough fiber in your diet
Jul 01, 2024
Jul 01, 2024
Conditions & TreatmentsDeborah D. Gordon has spent her career trying to level the playing field for healthcare consumers. She is co-founder of Umbra Health Advocacy, a marketplace for patient advocacy services, and co-director of the Alliance of Professional Health Advocates, the premiere membership organization for independent advocates. She is the author of "The Health Care Consumer's Manifesto: How to Get the Most for Your Money," based on consumer research she conducted as a senior fellow in the Harvard Kennedy School's Mossavar-Rahmani Center for Business and Government. Deb previously spent more than two decades in healthcare leadership roles, including chief marketing officer for a Massachusetts health plan and CEO of a health technology company. Deb is an Aspen Institute Health Innovators Fellow, an Eisenhower Fellow and a Boston Business Journal 40-under-40 honoree. Her contributions have appeared in JAMA Network Open, the Harvard Business Review blog, USA Today, RealClear Politics, The Hill and Managed Care Magazine. She earned a BA in bioethics from Brown University and an MBA with distinction from Harvard Business School.
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What you need to know to get enough fiber in your diet
Fiber is an important ingredient in any healthy diet. And it’s especially important for lowering your risk for colorectal cancer.
Colorectal cancer fast facts
Colorectal cancer is the 4th leading cause of death among women in the United States.
American Cancer Society estimates for 2024:
New colon cancer cases in women = 52,380
New rectal cancer cases in women = 18,890
What is fiber?
Fiber (aka roughage) = parts of food that your body doesn’t digest or absorb.
When it passes through your body, it helps lower cholesterol, helps control sugar levels and makes bowel movements regular.
There are 2 types of dietary fiber:
How does fiber reduce colon cancer risk?
How much fiber do women need?
The USDA Dietary Guidelines for Americans suggest a daily intake of:
28 grams for women 19–30
25 grams for women 31–50
21 grams for women 51+
High-fiber foods
Fruits
Vegetables and Legumes
Nuts and Grains
A few ways you can get your recommended fiber
Get fiber into your breakfast
1 cup of instant oatmeal = 4 grams
1 cup of raspberries = 8 grams
1 ounce of chia seeds = 10 grams
1 banana = 3 grams
Use whole grains as a base for your lunch
1 cup of brown rice = 3.5 grams
1 cup of black beans = 15 grams
1 cup of sweet corn = 4 grams
2 medium carrots = 3 grams
Add legumes and non-starchy vegetables to dinner
1 cup of lentils = 15.5 grams
1 cup of green peas = 9 grams
1 cup of cauliflower = 2 grams
Choose high-fiber snacks
1/2 cup of sunflower seeds = 6 grams
1 pear = 5.5 grams
1 medium apple = 4.5 grams
3 cups of popcorn = 3.5 grams
1 ounce of almonds = 3.5 grams
1 ounce of pistachios = 3 grams
This educational resource was created with support from Merck.