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Study reveals cognitive decline linked to drinking Diet Coke daily
MSN - The Street ^ | August 07, 2026 | Colette Bennett

Posted on 08/07/2026 5:26:02 AM PDT by Red Badger

Whether you work in an office or from home, you're likely familiar with the after-lunch slump that makes you reach for another coffee or a soda.

If you've front-loaded a lot of caffeine in the morning, this is typically the time you would feel a crash. Eating a large meal or not drinking enough water can also lead to that sluggish feeling.

There's nothing wrong with reaching for a pick-me-up at this time of day, though a short walk or refilling your water bottle is the healthiest option. But if your personal favorite afternoon treat is a Diet Coke, an updated study from the peer-reviewed journal Neurology presents some new data you're going to want to see.

The study's newest findings present a concerning link between low- and no-calorie sweeteners (LNCS) used in diet drinks and accelerated cognitive decline.

In a pool of 12,772 Brazilian participants tested over eight years, people younger than age 60 who consumed LNCS regularly showed a faster decline in verbal fluency and global cognition. The studied LNCS included aspartame, saccharin, acesulfame k, erythritol, xylitol, sorbitol, and tagatose.

Six of the seven sweeteners showed a link to cognitive decline, with tagatose being the one that did not.

People below age 60 who consume artificial sweeteners regularly showed a faster decline in verbal fluency and global cognition.

Participants were tested at the beginning, middle, and end of the study to track changes and then separated into three groups based on consumption levels.

The highest consumption level group showed a cognitive decline 62% faster than that of the lowest group. However, those over 60 did not show an association between LNCS and cognitive decline.

(Excerpt) Read more at msn.com ...


TOPICS: Business/Economy; Food; Health/Medicine; Society
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To: Bon of Babble
I will provide some contexts, with the help of AI.

AI, please compare the amount of methanol obtained from drinking diet soda with the amount of methanol the body naturally produces

AI Overview

A single 12-ounce can of diet soda provides about 20 mg of methanol from the breakdown of aspartame. In comparison, normal human metabolic processes and the digestion of common foods (like fruits and vegetables) generate endogenous and dietary background levels of methanol often estimated at 300 to 600 mg per day.

https://share.google/aimode/caCLKBDI4UN0mGzYD

81 posted on 08/07/2026 7:06:08 AM PDT by TTFX
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To: Red Badger

If the study shows cognitive decline in those under 60, but not in those over 60, then IMHO this study is worthless.

Yes, I did exercise my Freeper privilege of not reading beyond the excerpt.


82 posted on 08/07/2026 7:07:38 AM PDT by jimtorr
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To: Red Badger

I generally stick to canned Pepsi with real sugar. I used to buy the 2 liter Dr Pepper with real sugar, but I don’t see it in the stores any more.

Although it is impossible to avoid it completely, to the extent possible I avoid HFCS, and the various artificial sweeteners used in the US. I do use stevia on occasion


83 posted on 08/07/2026 7:08:40 AM PDT by PAR35
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To: stanne

They go great with pizza, and are less harmful than, say, beer. :-)

If you are reasonably healthy but never consume anything with poor nutritional value, just because it tastes good, you are an outlier.

It is true though, a lot of people drink diet drinks to avoid the calories in regular soda, but get the boost from the caffeine.

Did the study analyze cognitive ability if you can’t stay alert / awake?

If you doze off while driving and die hitting, say, a tree, that DEFINITELY reduces your cognitive ability. I’ll bet the study didn’t cover that.

As Rush once noted, thinking burns a lot of energy, and I don’t just mean things like deep political or social analysis. Modern life puts very complex and extensive demands, many we were not really designed for, on the ol’ grey CPU between our ears. So, people scrapping just to get by, compensate as they can.


84 posted on 08/07/2026 7:09:29 AM PDT by Paul R. (Old Viking saying: "Never be more than 3 steps away from your weapon ... or a Uriah Heep song!" ;-))
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To: Red Badger
aspartame, saccharin, acesulfame k, erythritol, xylitol, sorbitol, and tagatose.

Looks like cyclamates are still safe.They were just banned in the US because of fake 'settled science'.

85 posted on 08/07/2026 7:11:31 AM PDT by PAR35
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To: P-Marlowe
Why mention only Diet Coke? Why not Diet Pepsi or any other diet drink?

Pepsi may have placed the story or 'encouraged' the direction of the story.

86 posted on 08/07/2026 7:13:51 AM PDT by PAR35
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To: Red Badger
However, those over 60 did not show an association between LNCS and cognitive decline.

YAAAYYY !!! (We @ 60+ are just going downhill faster anyway, from feeling sleepy due to natural causes? Or, we wore ourselves out trying to figure out what Trump is doing WRT Iran, if not the new billing statement format from our cell phone service provider?)

87 posted on 08/07/2026 7:14:09 AM PDT by Paul R. (Old Viking saying: "Never be more than 3 steps away from your weapon ... or a Uriah Heep song!" ;-))
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To: Red Badger

Whew...no Stevia on the list


88 posted on 08/07/2026 7:16:27 AM PDT by goodnesswins (Most Congress Critters should be referred to as what they are....LOOTERS)
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To: Red Badger

It’s a novel marketing trick to make your customers too stupid to quit, but it’s working on me…


89 posted on 08/07/2026 7:19:10 AM PDT by MrKatykelly (Obama was the proof of concept puppet.)
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To: PAR35

Cyclamates are still used, though opinions on their history and safety are mixed on platforms like Reddit. They remain banned in the United States but are approved in over 100 countries, including Canada, Australia, and the European Union....................


90 posted on 08/07/2026 7:20:29 AM PDT by Red Badger (Iryna Zarutska, May 22, 2002 Kyiv, Ukraine – August 22, 2025 Charlotte, North Carolina Say her name)
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To: Red Badger

Whew! For a minute there I thought they said wine. 😉


91 posted on 08/07/2026 7:22:33 AM PDT by Georgia Girl 2 (The only purpose of a pistol is to fight your way back to the rifle you should never have dropped)
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To: Red Badger

Yes, I should have made clear I was speaking of the US ban. I always check the labels of the diet drinks when I go to Europe so I can get those tasty cyclamates.


92 posted on 08/07/2026 7:28:47 AM PDT by PAR35
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To: Red Badger

I’ll stick with my Moxie and A&W root beer. I’ll be fine.


93 posted on 08/07/2026 7:28:52 AM PDT by CletusVanDamme (When you have to shoot, shoot, don't talk!)
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To: Red Badger

The article is about diet drinks in general, but the headline singles out a specific brand. Some people would probably read this article with the headline in mind and just decide “guess I better switch to Diet Pepsi.”


94 posted on 08/07/2026 7:29:42 AM PDT by Republican Wildcat
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To: TTFX

I don’t need to add more - and that is on the advice of my doctor.

I know plenty of people who drink Diet Coke by the six pack- several a day! That’s got to add up day in and out, week in and out, etc.


95 posted on 08/07/2026 7:33:21 AM PDT by Bon of Babble (You Say You Want a Revolution?)
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To: butlerweave

My 1st thought.


96 posted on 08/07/2026 7:34:18 AM PDT by pingman (Hi Ho Silver! AWAY!)
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To: montag813

I have many allergies and have never considered being allergic as a benefit but in this study being allergic to all the artificial sweeteners, except saccharine, has benefited me. I’m an obsessed label reader because some sweeteners aren’t considered artificial but they cause me problems. Stevia is one. One drink and the inside of my mouth is burning.

My mother used saccharine daily and I believe that slow exposure in the tea and iced tea she made resulted in no allergic reaction for me. So I drink one pink packet a day!


97 posted on 08/07/2026 7:34:23 AM PDT by grame (May you know more of the love of God Almighty this day!)
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To: Milagros; Red Badger
Fresca?

Aspartame, I am afraid. The fountain version may also have saccharin.

Mexican Fresca is sugar (and calorie laden). If you do not need a sugar free version, Squirt can be a substitute.

If you want a zero sugar version that doesn't cost a mint (Zevia), Shasta Zero Sugar Grapefruit is sucralose based.

https://www.shastapop.com/flavors/zero-sugar-grapefruit/

Shasta is cheap, and has an extremely broad range of flavors. It is also tricky to find. Here I can get it at Winco.

As a lad, I enjoyed the full-sugar Canada Dry Wink grapefruit soda. It used to be a flagship product for good ol' Canada Dry (along side the ginger ale). Canada Dry used to have an exceptional Cola called "Jamaica Cola" as well. Went great with ham sandwiches. That one is not coming back. Wink might still exist somewhere.
98 posted on 08/07/2026 7:40:24 AM PDT by Dr. Sivana ("Whatsoever he shall say to you, do ye." (John 2:5))
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To: grame
I’m an obsessed label reader because some sweeteners aren’t considered artificial but they cause me problems. Stevia is one. One drink and the inside of my mouth is burning.

Good call. Technically, xylitol also is considered to be non-artificial, but it definitely disagrees with my daughter's stomach. Aspartame and sucralose also pop up in a lot of non-diet products (perhaps for cost considerations). Regular Juicy Fruit gum has apartame these days.
99 posted on 08/07/2026 7:44:09 AM PDT by Dr. Sivana ("Whatsoever he shall say to you, do ye." (John 2:5))
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To: Red Badger

I find the words, “study reveals,” or, “study shows,” as a strong indicator to stop reading further...


100 posted on 08/07/2026 7:49:40 AM PDT by Merrick (It's a car - that runs on water, man!)
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