Questions tagged [hypoxia]

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7
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2answers
8k views

Is a hyperventilation+hypoventilation breathing exercise (Wim Hof Method) more likely to prevent or promote cancer?

Apart from exposure to cold, the core element of the Wim Hof Method is a breathing technique, which alternates between hyperventilation and hypoventilation (apparently similar to Tummo meditation). It ...
4
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0answers
1k views

Could the cerebral hypoxia caused by voluntarily hyperventilating for an hour (“breathwork”) cause brain damage?

TL;DR hyperventilating for 60 minutes for psychedelic/meditative/therapeutic effect: is this dangerous? Hyperventilation can lead to cerebral hypoxia, as hypocapnia (reduced CO2 in blood) causes ...
3
votes
2answers
54 views

Simulate hypoxic training by breath holding/regulation

Is it possible to physically simulate hypoxic training by doing periodic breath holds or breath regulation during aerobic activity? Ideally, it ought to be done in a hypobaric/hypoxic chamber whilst ...
2
votes
1answer
316 views

Can voluntarily hyperventilating cause cerebral hypoxia, and therefore brain cell death (brain damage)?

Can voluntarily hyperventilating by raising one's resting respiratory rate to 30 breaths/min cause cerebral hypoxia, and therefore brain cell death (brain damage)?
1
vote
1answer
90 views

Venous PO2 and anemic hypoxia

Why does venous PO2 decrease in anemic hypoxia? Shouldn't it be constant as PO2 is a measure of the dissolved oxygen?
0
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0answers
37 views

What oxygen saturation level causes fainting?

I am talking about breath hold induced hypoxic state. Basically at what point during such an exercise would you expect the risk of fainting to be significant or can it happen at any saturation level? ...
0
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0answers
38 views

Breath-holding induced hypoxia and brain damage

I am currently researching the "Wim Hof Method" a big part of which is hyperventilation and breath-holding induced hypoxia. In another answer on the topic on this site I saw the following study being ...
0
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0answers
13 views

Hypercapnic alarm - can it be triggered by smaller amounts of a gas other than CO2?

Inert gas asphyxiation is a danger when welding and so on. Many sources explain the dangers of inert gases, e.g. a quick search found this: Hazards of Welding with Argon Gas Even though argon ...