11 votes
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What is iron's role in oxygenation in the human body?

This a vast topic, and sorry for the superficial nature of my answer. Iron is an essential component of hemoglobin. Hemoglobin is a coloured pigment which binds to oxygen and carries it across the ...
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  • 1,039
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 ...
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  • 958
8 votes
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Why does breathing stop during cardiac arrest?

During approximately 50% of cardiac arrests, the patient continues to breathe for a time. However, this breathing is known as agonal respiration and is essentially gasping for air. This gasping is ...
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  • 864
8 votes
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Does breathing heavily whilst having bronchitis have potential of furthering the illness?

If you look at the factors that cause an acute exacerbation of Chronic Obstructive Pulmonary Disease (such as bronchitis), you will find that The cause can not be identified in one third of the cases....
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  • 1,039
6 votes
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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 ...
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  • 6,747
5 votes
Accepted

Why does one breaths out heavily in cold days but breathe in very easily?

Exhaling through tightly pressed lips is called pursed lip breathing, in which the effort of exhaling is felt only in the lips and cheeks. This way you increase the pressure in the small airways, ...
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5 votes
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When should one stop CPR?

If the patient is breathing normally, stop CPR. Image Source: Official Guidelines of the European Resuscitation Council, latest edition: 2015. Section 2, p.88 The part that made me personally most ...
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  • 6,594
5 votes

Is it possible for the lungs and heart to work independently of one another?

The above answer is correct: no they can't function independently. I want to build on that answer with a couple additional points. Consider that your heart beats while you hold your breath - but it ...
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  • 5,694
5 votes
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Is it possible for the lungs and heart to work independently of one another?

You're overlooking one important point: Both the heart and lungs are living tissue too, and without both circulating blood and oxygen they will die just like all the other tissues in the body. So no, ...
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  • 9,345
4 votes

Can ear wax cause nasal congestion?

In addition to the above, see this diagram. Your MIDDLE ear (highlighted in blue) connects to your sinus via the Eustachian tube (where it drains into the sinus cavity isn't showed). Your EXTERNAL ...
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  • 5,694
4 votes
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How would a newborn infant reflexively breathing react to rescue breaths administered correctly after birth?

If the cord is the only reason that prevents the baby to start breathing spontaneously and the baby is otherwise healthy then the situation could resolve as you assumed. Two breaths could suffice, ...
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4 votes
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Simulate hypoxic training by breath holding/regulation

The approach you describe most likely will not work, and could be detrimental to your training. The main benefit of training at altitude is that the body will adapt to the lower concentration of ...
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  • 6,540
4 votes

Are hand-made mask using HEPA safe to breath through?

Shop-vac, a major manufacturer of HEPA material strongly advises against using their vacuum bags to make a filter First, the filter materials used in the vacuum cleaners are for no purpose other than ...
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  • 13.2k
3 votes

Inspiratory and Expiratory Muscle Training

The Powerbreathe is an inspiratory muscle trainer promoted as improving inspiratory muscle strength (and consequently exercise performance) in athletes and patients with respiratory disease. No ...
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3 votes
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Have to constantly pick my nose in order to breathe normally

You may see improvement by using a saline spray several times a day. Don't pick, as picking will favor the formation of crusts. You'll need to find some alternate things to fidget with for the ...
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3 votes

Why does one breaths out heavily in cold days but breathe in very easily?

Breathing in is a an active action requiring muscle. Expiration is passive, so occurs more slowly. Breathing in - inhalation - takes less time than exhalation. Normal I:E [Inspiration:Experation] ...
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3 votes

Is it possible for someone to develop Aspiration Pneumonia from standing in very heavy rain?

Inhaling sprayed water while staying in heavy rain does not likely cause aspiration pneumonia, at least not by water itself. I have found no relevant results after searching for combination of: rain, ...
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3 votes
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Severe asthma and autoimmune skin reactions with no relief

There are numerous causes and sources of irritation for Asthma exacerbations. Your objective is finding out whether it's irritants (smoke, chemicals, lint, etc) or allergies (pollen, pet dander) that ...
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  • 209
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 ...
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  • 4,896
2 votes
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How to breath better when you live in a big city?

Leave open the window of my room all day is dangerous for me ? No. There are even more particles in a confined room that there is outside. Should I avoid walking or running along traffic queues ? ...
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2 votes

Can ear wax cause nasal congestion?

It seems unlikely that ear wax could cause nasal congestion and restricted breathing, since in relatively healthy individuals, the ear canal is separated from the middle ear by the tympanic membrane (...
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  • 1,442
2 votes
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What are the dangers of breathing minerals that are dispersed into the air by a humidifier?

Pathologies due to mineral inhalation are a broad spectrum of diseases called pneumoconiosis. You can read about it here in Wikipedia. The type of disease is different regarding different minerals, ...
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  • 132
2 votes
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What are clinically advised methods to improve nocturnal respiration other than CPAP?

Breathing difficulties during sleep determined to be caused by the narrowing or closing of their airway Breathing difficulties during sleep indicates suffering of Obstructive Sleep Apnoea (OSA). ...
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  • 5,872
2 votes

How can breathing techniques lessen anxiety?

Neuroscience is complex; this is a simplification. To summarize: yes, breathing techniques and other meditation and biofeedback methods have been shown to be effective for reducing anxiety and panic, ...
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  • 5,694
2 votes

Can someone die of asphyxiation while still having high oxygen saturation?

Yes, it is absolutely possible. There are several poisons, most notably cyanide, which interfere with the body's ability to take up or use oxygen from the blood, despite it being present in ample ...
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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 ...
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  • 5,803
1 vote

Does Clinical death experience and sleep paralysis experience the same? did anyone die due to sleep paralysis?

This is a complicated question. As far as I understand this it is about comparing near death experiences and sleep paralysis. (Commonly, I would regard in this context "clinical death" as real death. ...
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  • 6,747
1 vote

How much water weight is it normal to lose while sleeping?

This is much easier to measure than to calculate. After urinating and before going to bed, weigh yourself. After getting up, urinating and having a bowel movement (bm is mostly water) weigh yourself ...
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  • 15.6k
1 vote
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Is breathing using the nose and diaphragm truly healthier?

just a short answer, since no-one has responded yet: Diaphragm Except from deepening your breath by expanding the volume of the lungs down towards the belly, the diaphragm is also involved in non-...
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