Questions tagged [lungs]

Questions pertaining to each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed.

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32 views

Is sinus mucus inhalation a high risk of pneumonia?

I understand that inhalation of food or stomach contents has a very high risk of causing pneumonia. Is routine sinus mucus , not caused by a cold of other illness, likely to cause pneumonia if inhaled ...
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124 views

What is the cause of the vaping-related outbreak of lung injuries?

According to the CDC, there are reports of more than 1000 patients in the US with vaping-associated lung injuries, and 23 deaths have been confirmed. The median age of deceased patients is 49.5 years, ...
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What tests exist to diagnose obstructive and restrictive lower airway diseases?

I'm interested in the false positive rate of asthma diagnoses. My current understanding is that in many places the common practice is to give out inhalers to any patient with low spirometry or peak ...
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Why and how is it possible for one’s lungs to burst from breath-holding against a moderate decompression?

You often hear that you should never, ever hold your breath when the ambient pressure around you is decreasing at a significant rate (for instance, during egress from a submarine ten meters down, or ...
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Why oligohydramnios leads to hypoplasia of lung?

What I found for the question is that due to - Oligohydramnios reduces the intrathoracic cavity size, thus disrupting fetal lung growth and leading to pulmonary hypoplasia. decreased fetal breathing ...
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1answer
32 views

Inspiratory and Expiratory Muscle Training

I'm interested in the scientific evidence of inspiratory and expiratory muscle training. There are various breathing training devices: According to their description, they enhance "strength and ...
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1answer
82 views

What study materials can a layperson use to gain a deeper understanding of lung cancer?

I am an outsider to the medical sciences, yet now in desperate need of knowledge to help a family member with lung cancer navigate the difficult medical system in our country. I would like to develop ...
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1answer
34 views

Can tumor size (T) and presence of cancer in the lymph nodes (N) in patients with lung cancer be identified on the first visit?

I am a scientific researcher working on lung cancer. I am trying to develop a machine learning method able to process just few early detection features and then predict if a patient with lung cancer ...
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Does tidal volume have any significance in a pulmonary function test?

In a pulmonary function test (PFT) two important parameters are forced vital capacity (FVC), forced expiratory volume in one sec (FEV1). These are useful for diagnosing obstructive and restrictive ...
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1answer
112 views

What is the significance of 1 second in calculations of PFTs

During PFTs (Pulmonary Function Testing), we take FEV1 (Forced Expiratory Volume in 1 second) and the divide it by FVC (Forced Vital Capacity). What is so special about FEV in one second, as opposed ...
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What type of edible mushrooms have been linked to curing Legionnaires Pneumonia?

I've heard turkey tail has been linked to treating cancer, and garden giant treats e coli. What can be used to treat Legionnaires Pneumonia?
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What could cause a stroke soon after a lung transplant? Is it even known?

Recently a youtuber died of a thrombotic stroke a week after a lung transplant operation. Skimming over abstracts on Pubmed, it appears that strokes and more generally thrombosis is a frequent ...
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When trapped in an air pocket does breathing slowly prolong the amount of time you have? [closed]

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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How far away from a highway should I live to avoid negative health effects?

Many articles on the internet claim that living near highways can be harmful to one's health. Here is an example: https://www.thestar.com/news/canada/2017/01/05/living-close-to-high-traffic-roads-...
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1answer
94 views

how to clean ex smokers lungs

I am ex smoker. I smoked for decade and quit smoking. here on [this link]http://hangover-cure.co.uk/smokers-and-ex-smokers/) I have found a solution for cleansing the lung. is it safe and a possibke ...
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97 views

By how much does former smoking reduce one's lifespan?

If someone in their late teens/early 20s smoked 20 cigarettes a day for 5-10 years, and then never smoked again, by approximately how much would that reduce their lifespan?
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1answer
208 views

Is it dangerous to inhale agar-agar jelly

I want to make hookah aroma made from agar-agar dissolved in vegetable glycerin, aromas and high quality flavored vodka, but from what I heard, agar-agar expands within the stomach and is as well heat-...
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51 views

Amount of Bleeding from Wounded Lungs

For a game, I need at least a vague estimate on how much the lungs will bleed. One person mentioned that a deer shot through both lungs with a hunting rifle would be stopped by the bleeding within 10 ...
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295 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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1k views

Is the IQOS heat-not-burn cigarette safe?

I am researching the topic of electronic cigarettes and have recognized that Philip Morris has recently introduced in some markets the IQOS heat-not-burn cigarettes. What is their safety profile in ...
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25 views

Research paper on living in areas with fresh air after living for more than 20 years in polluted area and impact on health

Are there any reasearch paper which shows impact on health for the person which is moving from the city with high air pollution to the areas with more fresh air (like countryside)? Below are 2 main ...
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69 views

Is it possible to spread cough even if I'm not coughing?

I don't have a cough but sometimes when I go into a place a moment later a person starts to cough. Last time I met my friend that I didn't seen for a long time, having some conversation after a few ...
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Liquid in Lungs? [closed]

So, here I was, eating and drinking in the car because my family didn't have time to stop and eat (we're on vacation) and, anyways, while I was swallowing my strawberry hi-c, I felt this odd, tickly ...
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Have there been any tests of e-cigs vs cigarettes?

After some years of e-cigarette popularity, no labs have yet published side by side comparisons of cell cultures or mice exposed to 10 cigarettes per day, compared to 10 e-cigs. Many labs have ...
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Exercise-Induced Asthma Daily Medication Use Short and Long Term Effects?

I have Exercise-Induced Asthma. I only feel satisfied when I'm either exhausted or when my muscles won't push any further. In general I don't like medication, I've always at least tried to have my ...
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Why are lower respiratory infections so prevalent in undeveloped countries?

As you can see here, lower respiratory infections are a major cause of death in undeveloped and developing countries, especially in central Africa. What are the primary causes of lower respiratory ...
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111 views

Too much sitting as bad as smoking?

I have heard that when you sit very long times every day that it is as bad for your health as smoking cigarettes. Especially, it is bad for your metabolism and especially the lungs get into a bad ...
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407 views

Effective use of a mask for allergies, asthma and bronchitis?

I was diagnosed with adult onset asthma after a bout of bronchitis last year. On top of that, I have allergies to most environmentals and I live in a desert environment with dust in the air. So I am ...
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71 views

What's caused by the chemicals, and what's caused by the smoke

The great many downsides of smoking are certainly well-documented by now (to say the least), but something I've struggled to find an answer to is the following: When looking at health risks of ...
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1answer
86 views

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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58 views

What are the effects of regularly passively smoking marijuana?

Does the regular passive smoking of marijuana have specific effects in addition to those of passive cigarette smoking?
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1answer
47 views

Why is leg length associated with respiratory function?

http://m.jech.bmj.com/content/57/2/141.full Longer legs are associated with better vo2 and lower risk of respitatory disease. Why?
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1answer
779 views

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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1answer
57 views

Strengthening / recovering lungs? What is the science behind this?

Some interesting smoking questions have led me to ask this. I am myself a recovering tobacco addict - I stopped a few months ago. Though my health has improved vastly, I still can easily get wheezing /...
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1answer
470 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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49 views

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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86 views

Modern treatment of bronchitis [closed]

On the internet there are dozens or even hundreds of medicines claiming to help if you have bronchitis. But is there a modern and tested approach to treating this illness? Or has nothing really ...
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1answer
118 views

Bleomycin and Oxygen

Do patients exposed to bleomycin as a part of their chemotherapy regime have to avoid exposure to concentrated levels of oxygen for the rest of their life? If not, how long after treatment ceases ...
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1answer
382 views

Bleomycin and Cannabis

To my understanding, bleomycin has a considerably detrimental effect on the lungs of a patient taking it as a part of their chemotherapy regime. However, my question is, if a patient smokes cannabis (...
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48 views

40 y/o woman admitted with ARDS but normal values

Second year medical student asking: A 40 year old woman is admitted to the ICU with acute respiratory distress syndrome due to a life threatening case of pneumonia. Her respiratory values are as ...
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1answer
85 views

Is asthma a disease?

Our family doctor said that asthma is not a disease, is he right? I already searched and found every where asthma called as disease. Like http://www.webmd.com/asthma/guide/what-is-asthma Asthma ...
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0answers
138 views

Is smoke from oil lamp dangerous [closed]

There was a power outage recently in my flat, so I decided to light up some older oil lamp I found. I didn't notice that as the wick was probably too large, the lamp was smoking whole night. When I ...
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1answer
4k views

What safety precautions should I take after spilling isopropyl alcohol?

My 16 year old son accidentally spilled about 200 ml of isopropyl alcohol over a large area on my carpet. The problem is it covers a large area and it smell very bad there. The room is about 100 sqft ....
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1answer
70 views

Avoiding acute mountain sickness, high altitude pulmonary & cerebral edema

I have to fly to a town which is at high altitude. What precautions/drugs can I take to avoid acute mountain sickness or more life threatening accumulation of fluid in brain or lungs (high altitude ...
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2answers
19k views

Is “smokers lungs” a lie?

We've probably all seen photos of smokers' lungs compared to non-smokers lungs. For example: These images are commonly used in anti-smoking materials, at least in the US, and I've never had cause to ...
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201 views

Can the tar in our lungs from cigarettes be removed from our body after stopping smoking?

I have been smoking a lot of cigarettes these days and am concerned about my lungs. Can/will the tar in my lungs from cigarettes ever be removed?
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1answer
7k views

What kind of doctor or physician do I need to consult for continuous coughing?

I have a dry cough. It's persisting from last few months ( more than 3 months). There is no chest pain. Slight cold environment causes me urge to cough, irritation happens inside the chest. I have ...
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2answers
4k views

How long after quitting smoking to expel tar from lungs?

I quit smoking over a year ago, before that, i used to smoke up to a maximum of 9 cigarettes a day. However, up until now, I did not cough up tar, only clear sticky mucus comes out. I want to know ...
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1answer
324 views

Does breathing heavily whilst having bronchitis have potential of furthering the illness?

I am currently practicing a heavy and fast breathing technique that supposedly boosts immunity by pumping the lymph I was wondering, considering I have bronchitis at the moment could that further the ...