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These oxygen-reducing devices are called “high altitude masks” or “respiratory trainers.”

From the study:

“Healthy young adults (N = 24) completed an IH protocol entailing 12 alternating 5-min normoxic (PETO2 = 100 mmHg) and hypoxic (PETO2 = 50 mmHg) intervals that were normocapnic and isocapnic, and on a separate day completed a time-matched normoxic control protocol.”

So five minutes with the mask, five minutes without, for an hour, in all, for the benefit.

1 posted on 11/11/2025 9:05:55 PM PST by ConservativeMind
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2 posted on 11/11/2025 9:06:34 PM PST by ConservativeMind (Trump: Befuddling Democrats, Republicans, and the Media for the benefit of the US and all mankind.)
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To: ConservativeMind

“They studied a technique called intermittent hypoxia, a method that temporarily reduces the amount of oxygen a person breathes, then restores it to normal, repeating the cycle over a 60-minute session.”

They’ve just described sleep apnea.

CC


3 posted on 11/11/2025 9:12:43 PM PST by Celtic Conservative (Heghlu'meH QaQ jajvam!)
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To: ConservativeMind
Re: "When oxygen levels drop, the body responds by increasing blood flow to the brain and enhancing its ability to extract oxygen more efficiently."

Recalling 8th Grade Biology...

At any given time, 50% of the blood in your body is located in your head and neck.

5 posted on 11/11/2025 9:39:42 PM PST by zeestephen (Trump Landslide? Kamala lost the election by 230,000 votes, in WI, MI, and PA.)
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To: ConservativeMind

This would seem contraindicated by the consequences of chronic sleep apnea.


8 posted on 11/11/2025 10:51:39 PM PST by Carry_Okie (The tree of liberty needs a rope.)
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To: ConservativeMind

The members of the COVID mask cult voluntarily performed this experiment on themselves, and they definitely didn’t get smarter as a result.


10 posted on 11/12/2025 1:05:49 AM PST by noiseman (The only thing necessary for the triumph of evil is for good men to do nothing.)
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To: ConservativeMind
This is the kind of quackery I would expect out of Canadians.

In fact, this is EXACTLY how an obstructive sleep apnea (OSA) patient has a stroke at age 45.

The brain's blood vessels are exquisitely sensitive to hypoxia.

Periodic hypoxia causes the vessels to dilate -> return to normal size -> dilate -> return to normal size.

OSA patients do this every night, all night, while sleeping.

So the lining of the brain's blood vessels (called the intima) tears because of the repeated stretching and returning to normal size.

This reveals the subendothelial layer to circulating platelets, which are designed to plug leaks and initiate clotting.

Which then leads to strokes.

OSA patients have about a 10-fold risk of stroke. So they get them young, as a part of the overall package.

Good News: CPAP or BiPAP machines correct this and are lifesaving. And after a while (maybe a month) the heart, vessels, brain, etc., go back to normal.

Leaving the patient time to work on weight loss, etc., which is usually the underlying cause of the OSA.

11 posted on 11/12/2025 2:20:15 AM PST by caddie (Going forward we all need to become Trump, and also Captain Obvious, and Charlie Kirk too. )
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To: ConservativeMind
This is the kind of quackery I would expect out of Canadians.

In fact, this is EXACTLY how an obstructive sleep apnea (OSA) patient has a stroke at age 45.

The brain's blood vessels are exquisitely sensitive to hypoxia.

Periodic hypoxia causes the vessels to dilate -> return to normal size -> dilate -> return to normal size.

OSA patients do this every night, all night, while sleeping.

So the lining of the brain's blood vessels (called the intima) tears because of the repeated stretching and returning to normal size.

This reveals the subendothelial layer to circulating platelets, which are designed to plug leaks and initiate clotting.

Which then leads to strokes.

OSA patients have about a 10-fold risk of stroke. So they get them young, as a part of the overall package.

Good News: CPAP or BiPAP machines correct this and are lifesaving. And after a while (maybe a month) the heart, vessels, brain, etc., go back to normal.

Leaving the patient time to work on weight loss, etc., which is usually the underlying cause of the OSA.

12 posted on 11/12/2025 2:20:16 AM PST by caddie (Going forward we all need to become Trump, and also Captain Obvious, and Charlie Kirk too. )
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To: ConservativeMind

Bkm


14 posted on 11/12/2025 2:35:02 AM PST by Track9 (Liberal tears make me smile. Thank you DJT!)
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To: ConservativeMind

Bkmk


15 posted on 11/12/2025 5:17:35 AM PST by sauropod
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To: ConservativeMind

It seems I do that in my sleep.


18 posted on 11/12/2025 6:35:33 AM PST by GingisK
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