What the colon does and how cancer starts

In this episode of SHE MD, Mary Alice Haney and Dr. Thaïs Aliabadi sit down with colorectal surgeon Dr. Beth Moore to talk about colon cancer, colonoscopies, and the importance of screening. Dr. Moore explains how colon cancer develops, why it affects women just as much as men, and why most people diagnosed with colon cancer do not have a family history of the disease.

The conversation breaks down how colonoscopies work and why they remain the gold standard for screening. Dr. Moore also explains the different types of colon polyps, what symptoms to watch for, and how colon cancer is staged and treated depending on how advanced it is.

They also discuss lifestyle risk factors, newer screening options like Cologuard and virtual colonoscopy, and emerging topics including GLP-1 medications and digestive health. This episode offers clear, practical information to help women better understand colon cancer risk, screening options, and why early detection is so important.

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What You’ll Learn

• Why colon cancer affects women just as much as men
• How colonoscopies can actually prevent colon cancer
• The symptoms of colon cancer you should never ignore
• Why most colon cancer cases occur without a family history
• The biggest lifestyle risk factors for colon cancer
• The truth about Cologuard and other screening alternatives
• How GLP-1 medications may impact digestive health and cancer risk
• What your bowel habits can reveal about your health

Key Timestamps

(00:00) Introduction to SHE MD

(01:23) Colon Cancer Affects Women Too

(02:16) Personal Story: Losing a Grandfather to Colon Cancer

(03:08) Meet Colorectal Surgeon Dr. Beth Moore

(05:15) What the Colon Actually Does

(05:44) How Colon Cancer Starts (Polyps Explained)

(06:25) Colon Cancer Stages Explained (1–4)

(09:27) Immunotherapy: A Breakthrough in Colon Cancer Treatment

(10:08) Why Colonoscopies Can Prevent Cancer

(12:26) Colonoscopy Prep: What to Expect

(18:27) What Happens During a Colonoscopy

(20:33) Early Warning Signs of Colon Cancer

(42:13) Cologuard Test: Does the “Poop Test” Really Work?

(58:16) HIPEC Surgery: Heated Chemotherapy Explained

(1:05:24) How Often You Should Actually Poop

Key Takeaways

• Colon cancer is the third most common cancer in women.
• Nearly 80% of colon cancer cases occur without a family history.
• Colonoscopies not only detect cancer but prevent it by removing precancerous polyps.
• Screening should begin at age 45, or earlier for higher-risk individuals.
• Lifestyle factors such as diet, obesity, alcohol, smoking, and low fiber intake can increase colon cancer risk.
• Paying attention to symptoms like rectal bleeding, changes in bowel habits, or unexplained weight loss is important.
• Preventive screening and early detection dramatically improve survival rates.

Guest Bio

Dr. Beth A. Moore is a colon and rectal surgeon in West Hollywood, California, affiliated with Cedars-Sinai Medical Center. She received her medical degree from the Lewis Katz School of Medicine at Temple University and has been in practice for more than 20 years. She has expertise in treating colonoscopies, colon removal, and other conditions

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