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Cigarettes In A McDonald's French Fry Carton
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May 10, 2025

Toxic Seed Oils Turn French Fries Toxic, Sadly

French fries are a beloved indulgence, but the toxic seed oils used to fry them can transform this treat into a health hazard. You may have seen this photo of cigarettes in a French fry cup before. It’s an AI-generated image. But it’s not just a made-up meme. It started circulating shortly after I was interviewed for this movie. During the interview, I made the rather shocking comparison between cigarettes and French fries. That comes from a study called: Toxic Lipid Oxidation Product (LOP) Generation in Culinary Frying Oils (CFOs) During High-Temperature Frying Practices: Passage into Fried Foods. In it,…

Dr Cate Shanahan's List Of Good Fats And Bad Including The Hateful Eight
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April 9, 2017

List of Good Fats and Oils versus Bad

This page was created to serve as a resource listing good fats and oils versus bad fats and oils. The goal is to serve as a clearinghouse for discussions around why a given fat or oil is good or bad for human health, and to include recommendations for the healthiest cooking practices.

Paternal Diet And Sperm Health
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February 21, 2017

Birth Month and Autism Risk

An astute reader of Deep Nutrition points out the connection between holiday season indulgences in high carb and vegetable oil rich foods and increased risk of autism.

Deep Nutrition Made Simple: START HERE
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June 23, 2013

Deep Nutrition Made Simple: START HERE

As a doctor, I’ve discovered that most chronic conditions occur because two thirds of our calories come either toxic seed oils or blood sugar elevating carbohydrates and sweets. These are themain ingredients in junk food. But many products containing these same unhealthy ingredients are disguised as health foods.

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July 21, 2010

New Hope for Alzheimer’s?

According to a leading researcher of Alzheimer’s disease clinical trials, Dr. Paul Aisen (photo), our drugs don’t work because doctor’s like me are not prescribing them early enough. But I think doctors should not promote extended use of drugs without proven benefit.

Vegetable Oil Is Everywhere
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June 13, 2008

Vegetable Oil Is Everywhere

Look for vegetable oils on every label. They promote inflammation starting in the gut and extending into the arteries, nervous system, and everywhere else.

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