Vegetable Oils Dysregulate Hormones | Healthy Home Economist


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Hormone disruption in a hurry! Peer-reviewed study finds that vegetable seed oil consumption triggers hormone dysregulation and ovarian toxicity in only 28 days.

woman holding bottle of hormone disrupting vegetable oil in supermarket

My first memory of the insidious displacement of traditional healthy fats like butter with modern vegetable oils came in the form of Florence Henderson, of Brady Bunch fame, shilling for Wesson, a division of Blackrock-controlled multinational Conagra Foods.

Perhaps her most famous turn came from singing the earworm jingle “Wessonality” TV commercial.

Even as a kid, I thought that these commercials must be a subtle form of brainwashing.

I instinctively recoiled at the obvious and shameless grasping for control over the public’s wallet.

My mother thankfully never got sucked in by this dietary propaganda. She always cooked with butter. I never saw a bottle of vegetable oil in her pantry.

Another Nail in the Seed Oil Coffin

As the decades have passed, more scientific research has emerged about just how unhealthy modern vegetable oils are in the human diet.

It’s long been known that factory fats actually make you fat, unlike nourishing traditional fats which facilitate a healthy weight.

In addition, the journal Open Heart found that omega-6 polyunsaturated fat linoleic acid is likely a major dietary culprit for coronary heart disease, especially when consumed in the form of industrial seed oils commonly referred to as ‘vegetable oils’. (1)

Hormone Disruption in 28 Days!

Now, early research is indicating that vegetable oils are likely hormone disruptors as well.

The study examined both GMO and nonGMO varieties of sunflower, corn and canola oil.

Without exception, they discovered that in every case, consumption resulted in “remarkable estrogenic properties.” (2)

Not only did these oils disrupt hormonal function and trigger ovarian toxicity in the form of atrophy, congestion, and follicular cysts, but it happened in short order …. less than one month of exposure in rats!

What’s even more surprising is that the study didn’t include soybean oil, which captures 60% of all oil consumption in America.

Soybean oil is already known to be hormonally disruptive as it literally decreases happiness when consumed.

This occurs through destruction of oxytocin pathways, the bonding “love” hormone. (3)

Could so much soybean oil in the modern diet be partly responsible for why so many people feel isolated and intolerant of each other?

Possible Causes of the Estrogenicity of Vegetable Oils

The researchers called for human testing to identify the methods of hormone disruption caused by vegetable oils.

They postulated that it could be the phthalate and xenoestrogen contamination of the oils that is the culprit.

The violent processing and plastic packaging of seed oils can result in residues of these estrogenic substances polluting the oils themselves.

Phthalate contamination is especially high in sunflower oil, according to a Turkish study. (4)

In addition, it is very high in vegetable oils that are stored in polyethylene terephthalate or “PET” (recycling #1 in the US). (5)

Whatever the causative reasons for the contamination, informed consumers would be wise to avoid these industrial oils like the plague and any processed foods that contain them.

It is especially important to protect growing children from the hormone-altering effects of exposure to these oils in the diet as the repercussions could have lifelong effects to fertility.

References(1) Omega-6 vegetable oils as a driver of coronary heart disease

(2) Ovarian toxicity of plant-derived edible oils: a 28 days hormonal and histopathological study in Wistar rat

(3) Dysregulation of Hypothalamic Gene Expression and the Oxytocinergic System by Soybean Oil Diets

(4, 5) Migrated phthalate levels into edible oils

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