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Questions tagged [breathing]

It is a process of gaseous exchange by means of respiratory system. It includes inhalation-exhalation and exchange of gases at the level of aveloli-capillaries in lungs.

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Common to panic/have trouble breathing when an oxygen mask is placed over nose and mouth prior to surgery with anesthesia?

I had my 17th surgery yesterday so it's fair to say I've been around the "hospital" block quite a few times and know what to expect on the patient side of things. Everything went as expected up ...
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Are babies turned upside down after birth?

I haven't attended a birth yet, and I heard or saw on some TV show that babies are turn upside down by the doctor and / or slapped in the butt to force them to cry, with the intention of make them ...
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When trapped in an air pocket does breathing slowly prolong the amount of time you have?

So there is roughly 21% oxygen in the air. When taking a "normal" breath you saturate your blood with oxygen and exhale air with roughly 16% oxygen. With that in mind, I am curious if changing your ...
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What are clinically advised methods to improve nocturnal respiration other than CPAP?

Based on conventional medicine, what advice should a physician give a patient who experiences breathing difficulty during sleep that is not determined to require a CPAP machine and for which the root ...
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How can breathing techniques lessen anxiety?

In addition to other treatment options, breathing techniques are commonly recommended for management of anxiety and panic. I am able to find good information on techniques, but I have difficulty ...
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Chest pain and heart problems [closed]

Today I woke up and went to school, didn't experience any pain. After I came home I lied down and I heard this sound coming from my chest - the heart hitting the ribcage. I first thought it was ...
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Need to exhale while holding breath

Recently I tried holding my breath for as long as I could. I managed to hold it for almost 2 minutes, but after a bit more than 1 minute, I already felt a strong need to exhale some of the air. At the ...
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When should one stop CPR?

I'm looking on various websites. They all say to stop CPR when normal breathing has started. But this news says that that is wrong and you CPR must not be stopped unless you have breathing and a pulse:...
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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 ...
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Holding breath and releasing it?

I have recently found myself repeating a behavior that, while not concerning, is curious. I find that when laying down, either going to sleep or resting deeply, I will feel a physical compulsion to ...
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Does Clinical death experience and sleep paralysis experience the same? did anyone die due to sleep paralysis?

Does Clinical death experience and sleep paralysis experience are the same? did anyone die due to sleep paralysis?
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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 ...
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How much water weight is it normal to lose while sleeping?

When you sleep, you sweat out and breathe out some water, but how much is normal to lose, assuming you're not actively trying to make yourself sweat?
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What triggers yawning for some people during physical activity

When exercising, oxygen demand increases. Heart rate increases, breathing rate increases, and depth of breaths increases. Some people experience yawning during exercise. What reasons would that ...
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Can ear wax cause nasal congestion?

I read that blocked middle ear/Eustachian tubes can cause nasal congestion as they are connected up to the back of the ear drum, yet flushing these out with salt mixed with water has no effect. So ...
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Have to constantly pick my nose in order to breathe normally

My nose gets clogged very frequently. I keep have to dig out boogers out of it. They stick to the inner and upper part of the nostrils. Sometimes it's small pieces. Sometimes it's one huge piece. ...
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Why consciousness is lost immediately when heart stops beating?

When heart stops beating - consciousness is lost in seconds. It is explained that it is due to the drop of blood pressure in brain veins. However, by my understanding - that should only make brain ...
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Feeling like being unable to breath when too quiet while sleeping?

When I'm sleeping with the fan is turned off and its too quiet that you can't hear any noises, I'll suddenly wake up feeling like I forgot to breath. So every time I sleep I am turning on the fan and ...
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Toddler has apnea multiple times an hour. is there a good sleep monitor for him?

I know that there is something called an AngelCare Monitor (or similar?) that is supposed to monitor breathing for babies in a crib for possible SIDS symptoms. Our youngest is almost 4 and has an ...
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Condition of mucus coated trachea, but clear lungs?

Is there a medical condition or illness (what's the terminology??) for when there is an acute incidence of when the trachea is coated with so much mucus and phlegm that it causes labored breathing and ...
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269 views

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

I understand that the lungs take in oxygen, pass it to the heart to send throughout the body, and receive CO2 from cellular respiration that the lungs then breathe out. (Oversimplified, I know, but ...
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Are there any negative health effects associated with breathing in air surrounding sulphur hot springs?

Are there any negative health effects associated with breathing in air surrounding sulphur hot springs? I would be interested in what sort of gaseous compounds might be found in such air, which might ...
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Term for noisy non-vocal/non-“wheezy” breathing on inhalation

What is the medical term for abnormally noisy inhalation that contains no tonal noise, but rather is airy and "wet" (but no crackling or popping), originating in the upper respiratory tract -- similar ...
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Suicide with no pain [closed]

How to suicide with no pain?My rights are to live but I never asked to come to this world and to face all this.I am not happy and I can't feel happy the only I really want is to die not think not pain,...
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Performing Valsalva maneuver with partly open airway?

The Valsalva maneuver is defined as "attempted exhalation against a closed airway" or "The effort to breathe out forcibly while the mouth and nose are firmly closed or the vocal cords pressed together"...
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If I have a runny nose is it better if I only breath in, out or regular through my nose to reduce drippage? [closed]

I feel like if I only breath in through my nose and out through my mouth I can reduce the total moisture from the air passing over it, which should result in less drippage, but I'm unsure what the ...
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Does an infected dental nerve affect nose breahting?

I went to my dentist for a lookup and he told me I needed a tooth canal treatment. He asked me if I had some problems with my nose, like if it's closed or dry. He was right about it and he told me the ...
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Scientific Basis for Apple Watch Activity Rings

I have just started using an apple watch, and am finding that it's "activity rings" feature encourages me to: perform more than 30 minutes of exercise a day (green 'exercise' ring); move around ...
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1answer
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Does nose-breathing filter out pollutants?

I live in a somewhat smoggy/polluted city, where the air pollution level regularly varies from totally clean to fairly dirty (3 mile visibility). When I'm exercising (cycling) and the air is on the ...
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Permanent stuffy nose…?

I've been to four ENT's and most just prescribe me medication and spend 5 minutes talking to me and leave. I've tried nasal sprays, pills, patches and no luck. My latest ENT doctor told me I had a ...
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1answer
506 views

Why does breathing stop during cardiac arrest?

I've been reading about resuscitation, and found several suggestions that people don't continue breathing after effective heart function stops because the diaphragm quickly runs out of oxygen. Is ...
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51 views

Mountain Sickness after descending

Have been very nervous lately please help. I climbed Mt Fuji, 3500 meters, almost 3 nights ago. Most of the way I had a headache. While getting close to the top I had the crinkling noise when I would ...
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Magnetic field causes [closed]

so I exposed myself to magnetic field i created from a circuit i designed(weak field) 2 days ago and since then I have strong headache and breathing difficulties so is that normal as its first time ...
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1answer
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How to breath better when you live in a big city?

We know that big cities have bad effects on health, due to their poor quality of air. The main pollutants we find in the air are PM10, nitrogen dioxyde and ozone. These three pollutants hazardous to ...
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Maximizing breathing: one long breath or two short breaths?

As a general rule for physical exertion, continuous, rhythmic, and controlled breathing is essential. This includes short "sprint" type bursts of activity as well as long "endurance" periods of ...
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What happens when a person gets the wind knocked out of them?

I asked a question on Martial Arts.SE about why many boxers combine each punch they throw with a rapid exhalation (making a pronounced, sharp huffing or hissing sound). Some of the answers say that ...
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Why is predicted FVC calculated on height only (and not weight)?

(please forgive me if this is a stupid question, as I have very little medical knowledge) I've been found to have an unusally low vital capacity (about 65% of the predicted value) so I'm up for a ...
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348 views

Carbon Dioxide Poisoning in Everyday Situations

I am wondering whether slight CO2 poisoning (hypercapnia) can be induced by everyday bad behaviour. I am particularly interested in the consequences of The prolonged use of a surgical mask (a.k.a. ...
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What are the dangers of breathing minerals that are dispersed into the air by a humidifier?

The Mayo Clinic warns against the use of tap water in a humidifier: Use distilled or demineralized water. Tap water contains minerals that can create deposits inside your humidifier that promote ...
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Will running next to a highway cause me to inhale more particulates?

I'm wondering if running next to a highway will cause humans to inhale more particulate matter and harmful substances.
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Is breathing using the nose and diaphragm truly healthier?

Searching for instructions on how to breathe properly one generally comes across the following: Breathe using the nose. Breathe using the diaphragm. Yet I have never seen these claims ...
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Covering head while sleeping?

I cover my head with covers while sleeping. I find difficult to sleep without doing it, I feel like there is not enought dark (thought all lighs are turned off and it's really dark) and I simply ...
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What is the ideal oxygen air percentage for longterm health?

I'm working on a science-fiction story, and a recent scene deals with someone tampering with the O2 levels of a ship's recycled atmosphere. I find myself wondering, what is the ideal oxygen level for ...
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1answer
99 views

Severe asthma and autoimmune skin reactions with no relief [closed]

I have lived almost my entire life in Ross County, Ohio, which is quite polluted. I remember smelling the paper mill when I was young, I don't even smell it anymore, but people comment about it when ...
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51 views

Quicker increase in breathing rate due to stretching/engaging tired muscles [closed]

After exercise or after eating too much food (or both) I usually become tired. I regularly observe that if I strech or engage major muscles (chest or legs) my breathing rate quickens considerably in ...
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Is breath holding effective to prevent sleep paralysis? [closed]

I constantly get sleep paralysis (the feeling of being awake in my mind but asleep in my body). I do not like the sensation, and am trying to battle it as much as possible. One of my friends has ...
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1answer
127 views

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

How common is it for healthy individuals to wake up with one nostril congested to the point where there is no airflow through that nostril, and respiration takes place solely through the other nostril?...
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How likely is a person to develop permanent health issues if he/she is sensitive to and continuously exposed to marijuana fumes?

I'm a 29 year old male, I live in an apartment, and the tenant above me is smoking a lot of marijuana every day and has been doing so for the last three months**. The fumes are entering my apartment ...
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Do salt rooms really help fight pollen allergies?

I've heard that sitting in salt rooms, also known as halotherapy, can help fight pollen allergies. Is there any scientific proof that this claim is true? If so, why?
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What is iron's role in oxygenation in the human body?

I hear about runners who need to put more iron in their diet, but then also about toddlers overdosing. I'm wondering what purpose iron serves in carrying oxygen through the body.