9 votes

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

Hyperventilation can lead to reduced oxygen transport to cells. As a result, ineffective breathing patterns can cause cell and tissue hypoxia, chronic inflammation, immunosuppression, and many other ...
Taylor's user avatar
  • 958
7 votes
Accepted

What is proper capacity of adult non-rebreather masks?

Ah, but they can and do. A non-rebreather (NRB) mask with 100% O2 flowing at 12-15 L/min will provide about 90% O2 concentration to an adult. This is true even for the largest adult in severe ...
Carey Gregory's user avatar
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6 votes
Accepted

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

Apart from monks and nuns who showcase impressive abilities Wim Hof is onto something. One anecdote reads as follows: I’ve also experienced the positive changes myself, […] My cardiovascular and ...
LаngLаngС's user avatar
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5 votes
Accepted

Does carbon monoxide poisoning make you tired before it kills you?

Does carbon monoxide poisoning make you tired before it kills you? The symptoms of carbon monoxide poisoning can vary per person it affects, and it can also depend on the the levels of exposure to ...
Facebook's user avatar
  • 449
3 votes

Contraindications for administrating oxygen

In addition to circumstances where an oxygen source would itself be a hazard for external reasons, and in those with chronic type 2 respiratory failure as pointed out in Graham Chie's answer; there is ...
bertieb's user avatar
  • 701
3 votes
Accepted

Contraindications for administrating oxygen

Clearly if there's a risk of fire, then giving oxygen outside the hospital risks fire. And in neonates, high flow oxygen can cause oxygen toxicity. If there is no such risk, then the main objection ...
Graham Chiu's user avatar
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2 votes

Nasal congestion on wakeup in healthy individuals vs. vasomotor rhinitis sufferers

Let's first clarify that "vasomotor rhinitis (VMR) otherwise known as non-allergic rhinitis" is the non-allergic reaction (NAR), which can be similar in symptoms to the allergic reaction (AR), but not ...
Dave Liu's user avatar
  • 4,876
2 votes

What is a normal lower limit for blood oxygen (sp02)?

According to Minnesota Dept. of Health: A normal level of oxygen is usually at least 95% or higher. Some people with chronic lung disease or sleep apnea can have normal levels of around 90%. The SpO2 ...
Fizz's user avatar
  • 5,968
1 vote

Is it possible to survive too high CO2 by also having too high O2 concentration?

CO2 is a simple asphyxiant, which means it's only toxic when it's displacing oxygen. And since your question proposes that the O2 level is being supplemented, then if the percentage of O2 in the air ...
Carey Gregory's user avatar
  • 9,743
1 vote
Accepted

What effects does an oxygen saturation between 90% and 94% have on the body?

Reduced oxygen saturation in blood is called hypoxia (though strictly that means reduced oxygen in the tissues). If there is marked reduction in oxygen saturation of blood, it may lead to bluish ...
rncardio's user avatar
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