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NEVER Cook with This Again

author avatar Dr. Eric Berg 02/03/2025

NEVER Cook with This Again

Let’s talk about seed oils, a common ingredient found in most kitchens and restaurants. While often marketed as "heart-healthy," the potential dangers of seed oils are surprising.

This pervasive myth has led many to unknowingly consume these oils daily. This article will shed light on why that might not be the best idea.

These oils, derived from seeds like corn, soy, sunflower, canola, and cottonseed, undergo extensive processing. This includes high heat, chemical solvents, and deodorization.

These processes not only strip away vital nutrients but also create harmful byproducts, including trans fats.

Unmasking the Dangers of Seed Oils


Processing significantly alters seed oils’ chemical structure. This creates negative health consequences. One primary risk among the dangers of seed oils is the high levels of omega-6 fatty acids in ultra-processed foods containing them.

Consuming fast foods or packaged foods exposes one to high levels of omega-6 fatty acids, thus increasing the dangers of seed oils.

Inflammatory Inferno

Seed oils are high in omega-6 fatty acids. While omega-6s are essential in moderation, an overabundance disrupts the omega-3 to omega-6 fatty acid balance.

Consuming processed foods, especially fast foods that are high in seed oils, causes an overabundance that fuels inflammation throughout the body, contributing to chronic diseases.

This inflammation can manifest in many ways, from joint pain and skin problems to heart disease and certain cancers. Cutting out seed oils often brings significant relief. This demonstrates that the dangers of seed oils are real.

Oxidative Stress

High heat and chemical processing make seed oils prone to oxidation. This oxidative stress damages cells and tissues, further contributing to the dangers of seed oils.

Restaurant and grocery products often contain high amounts of seed oils. These oils are chemically altered and rarely spoil.

However, the oil still oxidizes within your tissues, organs, and brain after consumption. Avoiding seed oils is crucial for human health.

Toxicity and Hidden Dangers

Processing seed oils can introduce toxic compounds. BHA, a preservative sometimes used in seed oils like soybean oil and sunflower oil, is a possible carcinogen. Additionally, compounds like HNE and Acrolein can also be found.

Other compounds formed during high-heat processing harm the immune system, nervous system, and liver. Ironically, these "heart-healthy" oils pose dangers to the very organ they're supposedly protecting.

It's not unusual for some store brands to contain cottonseed oil to achieve a longer shelf-life unless a label claims otherwise.

While there might not be apparent dangers of seed oils immediately, there could be a slow release of toxic byproducts that would lead to many negative long-term health outcomes, such as heightened cholesterol levels, liver dysfunction, weakened immunity, obesity, and neurological problems.

Thus the dangers of seed oils should be a point of serious concern to those who wish to optimize their health. Consuming partially hydrogenated oils is a definite thing to avoid due to its many negative effects on human health; one among many partially hydrogenated oils is peanut oil.

Heart Health Deception and the Dangers of Seed Oils


The biggest misconception about seed oils is their supposed heart-health benefits. Studies once promoted seed oils as a replacement for saturated fats, which have been demonized as an unhealthy type of fat by certain health "experts."

However, recent research reveals that these oils contribute to heart disease. The misinformation campaign regarding saturated fats compared to unsaturated fats is pervasive.

Saturated Fat: The Wrongfully Accused

The demonization of saturated fats allowed seed oils to dominate the market. Saturated fats, found in foods like butter and coconut oil, are stable and less susceptible to oxidation. They do not have the inflammatory dangers of seed oils.

The Cellular Impact and Long-Term Dangers of Seed Oils

Seed oils damage our cells and are stored within fat cells. This compromises cellular function and overall health. These oils reduce cellular efficiency and cause damage over time.

Detoxifying your body from these oils can take up to two years.

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Healthy Alternatives: Fueling Your Body With Healthy Fats


While extra virgin olive oil is suitable for low-heat cooking and salad dressings, other options exist. For higher temperatures, coconut oil, grass-fed animal fat (like tallow), ghee, butter, and unrefined red palm oil are good choices.

Switching from seed oils is a simple yet significant change. These alternatives provide stability and flavor. It helps one move toward a healthier, longer life, especially if you also avoid soy products.

Conclusion

Understanding the dangers of seed oils empowers you to make healthier choices. Replacing these oils with better fats like avocado oil is a worthwhile shift. This change offers incredible health benefits, outweighing misleading marketing claims about seed oils.

Be sure to be aware of any products that have oils that contain ingredients such as soybean oil, corn oil, sunflower oil, safflower oil, canola oil, rice bran oil, grapeseed oil, and/or rapeseed oil, and be sure to avoid these.

Making this shift may take time, but the long-term health benefits are well worth the effort. Improved heart health, reduced inflammation, better mental clarity, and enhanced energy levels are just some of the rewards you'll experience when you reduce or eliminate seed oils from your diet.

FAQs about Dangers of Seed Oils


What is unhealthy about seed oils?

Seed oils are highly processed and often contain harmful compounds. Excess omega-6 fatty acids can lead to dangerous inflammation levels.

Are seed oils worse for you than butter?

Seed oils pose many dangers. Most research indicates butter and ghee contain healthier, more stable saturated fats, avoiding risks associated with seed oils, referred to sometimes as vegetable oils.

While there may not be any apparent negative health impacts immediately after consuming these types of foods with seed oils, the high levels of trans fat and other unnatural processed fats will create negative effects over the long term.

Oils high in polyunsaturated fat and linoleic acid are typically seen as a cause of inflammation throughout the human body. Studies on safflower oil have indicated it leads to significant inflammation and should, therefore, be avoided.

Should you eliminate seed oils?

Avoiding these processed oils offers numerous health benefits. This dietary change can be impactful.

Which oils are not seed oils?

For cooking, stick with these fats: Coconut oil. Avocado oil. Olive oil (low heat). Grass-fed ghee (high heat). Butter.

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