The Seed Oil Overload Silently Fueling Chronic Disease - AI Podcast

Dr. Joseph Mercola - Take Control of Your Health

Briana Mercola

Health & Fitness, Health, Alternative Health

4.6 • 1.5K Ratings

🗓️ 28 July 2025

⏱️ 7 minutes

🔗️ Recording | iTunes | RSS

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Summary

Story at-a-glance

Linoleic acid (LA), once a trace nutrient in the human diet, now makes up as much as 25% of daily calories for many Americans, leading to mitochondrial dysfunction and long-term metabolic stress
LA transforms into harmful byproducts called OXLAMs that damage DNA, impair cellular energy production, and drive inflammation linked to heart disease, obesity, diabetes, and neurodegeneration
This polyunsaturated fat embeds in your body for years; it requires up to six years of low-LA eating to replace 95% of what’s already stored in your tissues
Common sources of LA include vegetable oils, processed foods, poultry, pork and even many products marketed as healthy, like organic nut butters and salad dressings
Reducing your LA intake by eliminating vegetable oils and switching to stable animal fats gives your mitochondria a chance to recover and helps lower your chronic disease risk over time

Transcript

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0:00.0	What if the fat hiding in your salad dressing is silently sabotaging your cells, priming you for heart disease, diabetes, and even memory loss?
0:09.8	Welcome to Dr. Mercola's cellular wisdom. Stay informed with quick, easy-to-listen summaries of our latest articles, perfect for when you're on the go.
0:17.9	No reading required. Subscribe for free at Mercola.com for the latest health insights.
0:23.0	Hello and welcome to Dr. Mercola's cellular wisdom. I'm Ethan Foster and with me is Alara Sky.
0:29.3	Today you'll discover why linoleic acid, once a trace nutrient, now makes up a quarter of many
0:35.1	Americans' calories and how that shift drives chronic disease.
0:39.1	That fat, often abbreviated LA, was never meant to dominate your diet. A century ago, you took in maybe
0:46.1	two grams a day. Now the average person swallows close to 30 grams, mostly from soybean, corn,
0:52.4	and canola oils, hidden in packaged foods, and restaurant meals.
0:57.0	Those numbers matter because every extra gram of LA transforms into oxidized linoleic acid metabolites,
1:04.0	or OXLAMS. These unstable molecules burrow into your DNA, hammer your mitochondria, and ignite inflammation that shows up as obesity, heart disease, and neurodegeneration.
1:16.6	You might wonder, can I just cut back for a month in reset?
1:20.6	Unfortunately, no.
1:22.6	LA has a half-life of roughly 680 days.
1:25.6	It takes six years of consistently low intake to replace 95% of what's
1:30.5	lodged in your body fat. That means the sooner you lower exposure, the faster you stop the damage
1:36.0	snowball.
1:37.0	Inside each cell, LA swaps into a special fat called cardiolipin that lines the inner mitochondrial
1:43.4	membrane. Cardiolipin is fragile when loaded with
1:46.5	polyunsaturated fats. A stray-free radical can shred it, stalling your energy production. Damage mitochondria,
1:54.2	either shut down or self-destruct, leaving you tired, insulin-resistant, and inflamed.
2:00.1	Your heart suffers first because its cardiolipin naturally contains high L.A.
	...

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