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  #1   ^
Old Wed, Feb-26-20, 12:32
Demi's Avatar
Demi Demi is offline
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Default Researchers find a western-style diet can impair brain function

Researchers find a western-style diet can impair brain function

https://www.theguardian.com/science...-brain-function


Quote:
Consuming a western diet for as little as one week can subtly impair brain function and encourage slim and otherwise healthy young people to overeat, scientists claim.

Researchers found that after seven days on a high saturated fat, high added sugar diet, volunteers in their 20s scored worse on memory tests and found junk food more desirable immediately after they had finished a meal.

The finding suggests that a western diet makes it harder for people to regulate their appetite, and points to disruption in a brain region called the hippocampus as the possible cause.

“After a week on a western-style diet, palatable food such as snacks and chocolate becomes more desirable when you are full,” said Richard Stevenson, a professor of psychology at Macquarie University in Sydney. “This will make it harder to resist, leading you to eat more, which in turn generates more damage to the hippocampus and a vicious cycle of overeating.”

Previous work in animals has shown that junk food impairs the hippocampus, a brain region involved in memory and appetite control. It is unclear why, but one idea is that the hippocampus normally blocks or weakens memories about food when we are full, so looking at a cake does not flood the mind with memories of how nice cake can be. “When the hippocampus functions less efficiently, you do get this flood of memories, and so food is more appealing,” Stevenson said.

To investigate how the western diet affects humans, the scientists recruited 110 lean and healthy students, aged 20 to 23, who generally ate a good diet. Half were randomly assigned to a control group who ate their normal diet for a week. The other half were put on a high energy western-style diet, which featured a generous intake of Belgian waffles and fast food.

At the start and end of the week, the volunteers ate breakfast in the lab. Before and after the meal, they completed word memory tests and scored a range of high-sugar foods, such as Coco Pops, Frosties and Froot Loops, according to how much they wanted and then liked the foods on eating them.
“The more desirable people find the palatable food when full, following the western-style diet, the more impaired they were on the test of hippocampal function,” Stevenson said. The finding suggests that disruption of the hippocampus may underpin both, he added.

Stevenson believes that in time governments will come under pressure to impose restrictions on processed food, much as they did to deter smoking. “Demonstrating that processed foods can lead to subtle cognitive impairments that affect appetite and serve to promote overeating in otherwise healthy young people should be a worrying finding for everyone,” he said. The work is published in Royal Society Open Science.

In the longer term, eating a western-style diet contributes to obesity and diabetes, both of which have been linked to declines in brain performance and the risk of developing dementia. “The new thinking here is the realisation that a western-style diet may be generating initial and fairly subtle cognitive impairments, that undermine the control of appetite which gradually opens the way for all of these other effects down the track,” Stevenson said.

Rachel Batterham, professor of obesity, diabetes and endocrinology at University College London, who was not involved in the study, said it was one of the first to investigate whether the western diet impairs memory and appetite control in humans.

“Understanding the impact of a western diet on brain function is a matter of urgency given the current food climate,” she said. “This research has provided data to support detrimental effects on both memory and appetite control after just one week of an energy-dense diet and may suggest a link between poor diet and impairment of the hippocampus, a key memory and appetite-associated brain region. The mechanisms at work remain to be elucidated and will require further research with the application of more sophisticated neuroimaging methods.”

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  #2   ^
Old Wed, Feb-26-20, 12:57
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thud123 thud123 is online now
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"Researchers find a western-style diet can impair brain function"

What you say?!?
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  #3   ^
Old Wed, Feb-26-20, 13:43
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bkloots bkloots is offline
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I refrain from making a political wisecrack. Let’s just blame fast food for many American behaviors. Keep calm and LC on.
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  #4   ^
Old Wed, Feb-26-20, 14:36
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Ms Arielle Ms Arielle is offline
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ah......doh..........
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  #5   ^
Old Wed, Feb-26-20, 17:08
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Dodger Dodger is offline
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That's like doing research that shows that the sun always rises in the East.
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  #6   ^
Old Thu, Feb-27-20, 10:05
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GRB5111 GRB5111 is offline
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Quote:
At the start and end of the week, the volunteers ate breakfast in the lab. Before and after the meal, they completed word memory tests and scored a range of high-sugar foods, such as Coco Pops, Frosties and Froot Loops, according to how much they wanted and then liked the foods on eating them.
“The more desirable people find the palatable food when full, following the western-style diet, the more impaired they were on the test of hippocampal function,” Stevenson said. The finding suggests that disruption of the hippocampus may underpin both, he added.

What a shocker. I vote to ban the use of terms like "western-style diet." It's meaningless and serves no specific purpose, kinda like "Mediterranean Diet." No one can precisely define either, so the population is left to their own interpretations along with the distorted ideas of health we are exposed to every day.
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  #7   ^
Old Thu, Feb-27-20, 10:22
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bkloots bkloots is offline
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Quote:
I vote to ban the use of terms like "western-style diet."
Good point. Around here we more or less understand what we mean by this description. Here's my list:

--Overwhelming preference for packaged, processed, "instant" (eg. microwaveable), and so-called convenience foods.
--Massive consumption of sugar, both sugary products (eg. ice cream, soft drinks, fruit drinks) and sugar as an ingredient (eg. breakfast cereals, breads, processed meats like hot dogs).
--Massive consumption of Fast Food as a category (eg. KFC, burger joints, many casual dining places, eating away from home as a lifestyle).

Those are my top-three Killer Categories defining the "western" diet--including the products and "food" franchises often exported to other countries.
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  #8   ^
Old Thu, Feb-27-20, 11:54
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dk_Swan dk_Swan is offline
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Quote:
Originally Posted by bkloots
Good point. Around here we more or less understand what we mean by this description. Here's my list:

--Overwhelming preference for packaged, processed, "instant" (eg. microwaveable), and so-called convenience foods.
--Massive consumption of sugar, both sugary products (eg. ice cream, soft drinks, fruit drinks) and sugar as an ingredient (eg. breakfast cereals, breads, processed meats like hot dogs).
--Massive consumption of Fast Food as a category (eg. KFC, burger joints, many casual dining places, eating away from home as a lifestyle).

Those are my top-three Killer Categories defining the "western" diet--including the products and "food" franchises often exported to other countries.


That makes sense. Although it IS possible to eat at a fast food place more healthily-salads, eggs, burgers without the buns, or an unbreaded chicken breast. The dressings often have lots of sugar though. You can ask for butter at Mcdonalds and it is ACTUAL butter. They also have sliced apples or apple bites.

Here are the ingredients of the mix for Starbucks Frappe: This base contains sugar, natural and artificial flavour, water, xantham gum (which is a thickening agent), caramel color, caffeine, and potassium sorbate.

Why couldn't they make a mix without the caffeine and sugar? Just use Splenda.

You CAN get a lot of other drinks sugar free though. Get the skinny Mocha syrup steamed milk (made with coconut or almond milk if you are dairy intolerant) , or sugar free teas, cappuccinos etc.
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  #9   ^
Old Thu, Feb-27-20, 12:05
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Meme#1 Meme#1 is offline
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The only thing about FF places and trying to eat more healthy it's impossible when the chicken breast has sugar injected and marinated into the meat but probably also starch filler. Burger patties are most likely not 100% meat and probably also have sugar in the mix.
Apples are full of sugar not to mention the dipping sauces which are probably pure corn syrup.
Eggs, it's been proven that the egg mixes are mixed with pancake batter, I-hop even prints that on their menu. The McDonalds eggs taste sweat to me so I think there is sugar in them too.
Salad might be OK but I think there are preservatives on the lettuce since I have seen it last for days without oxidizing and then there are the dressings which are all full of sugar.
The only thing I would drink at Starbucks is black coffee with heavy cream.
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  #10   ^
Old Thu, Feb-27-20, 12:47
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GRB5111 GRB5111 is offline
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My objection to the "anyterm" preceding diet is that it implies a structured way of eating foods that are allowed on this "anyterm" diet as a prescriptive way of achieving health through a diet. I can understand an Atkins diet or a Martini and Whipped Cream diet, or Westman's Page 4 diet. Those advise on which foods are in or out. "Western" and "Mediterranean" not so much. When I hear medical professionals tell people to eat a healthy diet, it's almost assumed that everyone knows what that is. I usually ask, "what do you mean specifically by a healthy diet?" Not surprisingly, many are incapable of providing the details.
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  #11   ^
Old Thu, Feb-27-20, 14:38
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bkloots bkloots is offline
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Quote:
I usually ask, "what do you mean specifically by a healthy diet?" Not surprisingly, many are incapable of providing the details.
Right. Also, even the word "diet" implies a temporary activity to fix a problem before reverting to "normal" eating.

That isn't IT. Whatever keeps you healthy is "normal" eating.

BTW, I totally agree that there are LC hacks for eating out, even at fast food places. Bunless burgers, etc. Indeed, we brought the pressure to make those options possible.

But that's not what most commentators mean by the "Western" diet.
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  #12   ^
Old Fri, Feb-28-20, 05:04
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Demi Demi is offline
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Quote:
Originally Posted by GRB5111
What a shocker. I vote to ban the use of terms like "western-style diet." It's meaningless and serves no specific purpose, kinda like "Mediterranean Diet." No one can precisely define either, so the population is left to their own interpretations along with the distorted ideas of health we are exposed to every day.
I rather like the term 'global industrial diet' used by Mark Hyman MD in this article:
Quote:
What You Eat Is Impacting Your Mental Health. Here’s What You Should Know.

How America's "global industrial diet" can impact your panic attacks.


https://thriveglobal.com/stories/fo...tific-research/

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  #13   ^
Old Fri, Feb-28-20, 05:37
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WereBear WereBear is offline
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Quote:
Originally Posted by Meme#1
The only thing about FF places and trying to eat more healthy it's impossible when the chicken breast has sugar injected and marinated into the meat but probably also starch filler. Burger patties are most likely not 100% meat and probably also have sugar in the mix.


I agree and it's why fast food places are at the bottom of my list. Even convenience stores now have hardboiled eggs and those cheese & Slim Jim things for sale.

It's astonishing when you take the bun off the nutritional stats and it's STILL high carb!
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  #14   ^
Old Fri, Feb-28-20, 09:06
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Calianna Calianna is offline
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Quote:
Originally Posted by WereBear
I agree and it's why fast food places are at the bottom of my list. Even convenience stores now have hardboiled eggs and those cheese & Slim Jim things for sale.

It's astonishing when you take the bun off the nutritional stats and it's STILL high carb!



I remember one instance where carbs attributed to the meat patty turned out to be a mistake in the nutritional stats. It's been years ago, and I can't recall which fast food place it was, but I think it was either McD's or BK. (could very well have been someplace else though)



At any rate, some LCer contacted the corporate offices of the fast food place and asked how their 100% beef patty could have carbs in it. They looked into it, and it was a mistake in calculating the nutrition stats - the number of carbs are determined by deducting the total fat calories and the calories from total protein grams from the total number of calories - anything left over is attributed to carbs. They looked into it, and determined that someone had goofed up the calculations, and attributed carb calories to the burger patty, because they confirmed that it was indeed a truly 100% beef patty with no additives. They immediately corrected the nutrition stats on their website.



That could have all changed by now, since that incident happened years and years ago, and we know that as time goes on, THEY're spiking everything with sugars to make the food more addictive. Still, if they're claiming 100% beef, or 100% real chicken, and yet showing carbs in the beef and chicken, we need to call them on it, hold them accountable to be honest about it. They can either admit that it's not 100% meat, or they can stop adding carbs to them, their decision.
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  #15   ^
Old Fri, Feb-28-20, 09:39
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WereBear WereBear is offline
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Taco Bell, for instance:

https://jezebel.com/this-is-what-re...ls-beef-5742413

Quote:
Taco Bell "beef" pseudo-Mexican delicacies are really made of a gross mixture called "Taco Meat Filling" as shown on their big container's labels, like the one pictured here. The list of ingredients is gruesome. (Updated.)

Beef, water, isolated oat product, salt, chili pepper, onion powder, tomato powder, oats (wheat), soy lecithin, sugar, spices, maltodextrin (a polysaccharide that is absorbed as glucose), soybean oil (anti-dusting agent), garlic powder, autolyzed yeast extract, citric acid, caramel color, cocoa powder, silicon dioxide (anti-caking agent), natural flavors, yeast, modified corn starch, natural smoke flavor, salt, sodium phosphate, less than 2% of beef broth, potassium phosphate, and potassium lactate.

It looks bad but passable... until you learn that—according to the Alabama law firm suing Taco Bell—only 36% of that is beef. Thirty-six percent. The other 64% is mostly tasteless fibers, various industrial additives and some flavoring and coloring.


Makes you wary of anything that ISN'T 100% beef, no?
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