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Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

universityofcalifornia.edu

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Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#141
post #73

> The same UC Riverside research team found in 2015 that soybean oil induces obesity, diabetes, insulin resistance, and fatty liver in mice. Then in a 2017 study, the same group learned that if soybean oil is engineered to be low in linoleic acid, it induces less obesity and insulin resistance. > “The hypothalamus regulates body weight via your metabolism, maintains body temperature, is critical for reproduction and…

> Linoleic acid is what induces torpor Is this the same as ALA in flax-seed oil that is supposedly good for us?

It's every high-heat unsaturated cooking oil. Basically every cooking oil except olive oil and full-fat stuff like coconut, butter, and lard contain a decent amount of linoleic acid.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#142
post #62

Earlier quoted context omitted.

It's more nuanced than that but you could do a lot worse than that list. Fat profile matters, and smoke point matters, e.g. olive oil is great but if you're frying stuff with it you're turning a lot of it toxic; avocado oil is better for high heat.

I thought it was a common myth that the smoke point of an oil correlates with toxicity -- do you have a source that there is a causal relationship? The reason for olive oil not being used for deep frying is mostly taste and cost, as far as I know.

Smoke point refers to the temperature at which an oil will break down. You're right that broken-down oil is unhealthy but, more importantly, it makes for bad-tasting food and should be avoided when possible.

https://www.masterclass.com/articles/cooking-oils-and-smoke-...

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#143

Earlier quoted context omitted.

avocado might not be so trustworthy, see: https://news.ycombinator.com/item?id=30105062 ghee is a great alternative IMO.

Has anyone done the research to find a reputable olive oil brand?

Consumer Reports, from 10 years ago: https://imgur.com/a/ChyyFnw

Personally I only purchase California olive oil, I don't trust anything coming out of Europe due to the risk of adulteration. If you want a widely available brand: California Olive Ranch but look at the label carefully, you only want their 100% California olive oil.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#144
post #123

Earlier quoted context omitted.

Indians in India have skyrocketing diabetes and obesity numbers in recent decades. 20+ years ago you would struggle to see a single non thin person. Drastic increase in quantity of ghee (and sugar since a lot of Indian tests are a lot of ghee and sugar) consumed and reduction in labor (trading strenuous, perspiring work for air conditioned, sitting work) could be relevant factors that make ghee consumption from the p…

> Indians in India have skyrocketing diabetes and obesity numbers in recent decades. 20+ years ago you would struggle to see a single non thin person. I have noticed that. I have also noticed that youngsters started adopting Western habits and diets and consumption patterns over the same time period. > Drastic increase in quantity of ghee Unless you are rich or belong to the upper middle class, ghee is generally cons…

Presumably, the Indian immigrant populations discussed above would belong to upper middle classes, by virtue of being able to immigrate at all. But also, the sheer scale of Indian population can mean we are talking about a couple hundred million people easy in India whose lifestyle is no longer conducive to the amount of ghee they were used to eating.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#145

What is soybean oil traditionally called in the US? I've never actually seen "soybean oil" myself (though it surely exists). Is this the same as "vegetable oil"?

Yes vegetable oil is usually soybean in my experience, check the ingredients.

In the UK, something marked "vegetable oil" is basically going to be rapeseed (canola), but sometimes sunflower seed oil if it's come from Europe.

If it is marked "pure vegetable oil" it essentially always 100% rapeseed.

Rapeseed grows very easily here, and we don't grow soybeans -- they barely grow at all here.

Soya is a notifiable allergen in the UK -- it must be labelled as such when it's in an unrefined form. And even if it's refined, the law still says the origins of oils have to be declared.

The combination of these two things (cost and allergens) means that if an oil has soya on it, you'll know from the front label. Indeed, if it's anything other than rapeseed it'll probably be marketed that way.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#146

Earlier quoted context omitted.

From the study: > One additional note on this study — the research team has not yet isolated which chemicals in the oil are responsible for the changes they found in the hypothalamus. But they have ruled out two candidates. It is not linoleic acid, since the modified oil also produced genetic disruptions; nor is it stigmasterol, a cholesterol-like chemical found naturally in soybean oil. 1. We're not mammals that exp…

1. We have common genes going back to mammals who did experience torpor. 2. A study doesn't "own" their data and have exclusive right to interpret this data 3. Someone selling something that they think is beneficial to their customer, does not mean it is not beneficial. I would say most people who sell things honestly think their customers will benefit from their product.

> We have common genes going back to mammals who did experience torpor.

We also have genes that are related to cows, have you tried subsisting on grass?

Your argument is farcical and entirely based on the preaching of a snake oil salesman, in a comments section based on a torpid male mouse study that specifically refutes the argument you're making.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#147
post #117

Earlier quoted context omitted.

Go try and eat only coconut oil for say, 2 weeks, you'll feel the difference.

The heck is this? Eat a pound of coconut butter a day? Eat more than a few tablespoons of any edible oil in one sitting and you'll definitely feel a difference. Edit: using only added coconut oil in cooking is, upon reflection, a more probable interpretation. Sorry.

I think the most charitable reading of their comment would be something like "replace other fats you use (butter, olive oil, etc) with coconut oil for two weeks".

Edit: you added your edit while I was writing my comment :)

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#148
This title is pretty click-baity in my opinion. Why doesn't the title contain the words "soybean oil"? It seems bizarre to use the words "most widely consumed cooking oil" without mentioning which one.

And referring to changes in gene expression as "genetic changes" kind of fear-mongers, given most things we eat lead to "genetic changes" in our bodies...everything we eat is processed by proteins which are regulated by gene expression.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#149
post #107

What is soybean oil traditionally called in the US? I've never actually seen "soybean oil" myself (though it surely exists). Is this the same as "vegetable oil"?

I was at Target in the sauce aisle and I couldn't believe how literally every sauce I picked up had Soybean oil as the first ingredient.

What is surprising about that? They use what's cheapest.

Re: Soybean oil affects hypothalamus, causes genetic changes in mice: study (2020)

#150

Earlier quoted context omitted.

From the study: > One additional note on this study — the research team has not yet isolated which chemicals in the oil are responsible for the changes they found in the hypothalamus. But they have ruled out two candidates. It is not linoleic acid, since the modified oil also produced genetic disruptions; nor is it stigmasterol, a cholesterol-like chemical found naturally in soybean oil. 1. We're not mammals that exp…

Go try and eat only coconut oil for say, 2 weeks, you'll feel the difference.

I’m on your “side” here, but this is a bad take.

Coconut oil is mainly comprised of saturated fatty acids. Its closer to butter, not the refined PUFA oils.

Consuming anything to excess is gonna mess up your system, water included.

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