Dr. Dino PratoEnvita Medical Centers · Founder and CEO at Envita Medical Centers

Healthy’ Oils… But What If They’re the Problem?

28 Apr 2026 · 1 min

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In this segment of his YouTube video, Dr. Dino Prato presents a case of a stage‑3 colon‑cancer patient who, despite completing standard chemotherapy and surgery with clean margins, experienced disease recurrence. Gut microbiome analysis revealed severe dysbiosis and inflammation. When questioned about her diet, the patient reported regular use of common vegetable and canola oils—often marketed as heart‑healthy, GMO, and packaged in plastic bottles. Dr. Prato argues that while these oils may meet macronutrient targets, they can promote lipid peroxidation and inflammation, factors he believes are overlooked due to oversimplified nutrition guidance. He calls for a more nuanced view of dietary fats in cancer risk and management.

Chapters

Here's why seed oils matter in cancer. Stage 3 colon cancer patient. She did everything her oncologist told her, the standard regimens of chemotherapy, finished the protocol, had surgery, clean margins. Eventually the cancer came back. And when you looked at her gut microbiome, which we tested and did an analysis, her gut lining looked like major dysbiosis, lots of inflammation. So we asked her this question as we do with all patients, what are you eating? What's in your diet? She was cooking with all your standard vegetable oils and canola oils, all GMO and plastic bottles, all labeled heart-healthy. And they might be right on their macros. Where they're wrong has to do with lipid peroxidation and inflammation. A lot of people have been given oversimplified information when it comes to nutrition, and the real problem is getting missed.