Questions tagged [health]

Health and medicine questions are off-topic unless dealing with the biology underlying health and medicine. Please carefully explore the tour, help centre, and meta before posting health and medicine questions. Health is a physiological state of well-being referring to the (ab)normality of the cellular or organismal physiology.

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1answer
37 views

Is the stuffy environment due to using masks all day, helping in spread corona virus in people?

I came across a research that stated, the most disease ridden place in a toilet is actually the air dryer. The hot and moist microcosm that develops around the dryer due to frequent use helps in ...
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1answer
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Why are almost all inborn errors of metabolism autosomal recessive? [closed]

Technically, the only inborn error of metabolism I know that is autosomal dominant is acute intermittent porphyria. Also, the only inborn of metabolism I know that is X-linked recessive is Lesch-Nyhan ...
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What kinds of bacteria live in water bottles?

I've always heard not to re-use disposable plastic water bottles. According to this Huffington Post article, the reason is because: everyday wear and tear from repeated washings and reuse can ...
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1answer
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What are the side-effects of long-term liquid breathing?

I just saw a recent Physics question that mentioned liquid breathing (which I had never heard of before) and I started to wonder about its long-term effects. Let's imagine a person underwent liquid ...
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1answer
62 views

Why does this study about genetic likelihood of COVID hospitalization not associate risk to base pairs?

In the study "Genetic mechanisms of critical illness in Covid-19", (free to download) the authors share their findings on which genomes seem to be associated with an increased likelihood of ...
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1answer
48 views

Which modern methods of antibiotic production are there?

For my seminar paper in the field of biology, I have to collect modern methods of antibiotic production. The topic is a little overwhelming, but the work should also be quite extensive (approx. 18 ...
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5answers
9k views

Can bacteria be killed by purely physical trauma?

In a question over on Skeptics Stack Exchange, I half-jokingly listed "blunt force trauma" as a means by which a bacterium could be killed. That makes me wonder if it really is only a joke ...
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1answer
47 views

Can birds pass diseases to humans through contact surfaces?

My friend asked me the following question. She has a pigeon nesting on her window and the pigeon often touches the window, and my friend also sometimes touches the window (e.g. open and close it). The ...
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Why does the high consumption of saturated fats lead to more risk of cardiovascular diseases and increased cholestrol levels? [duplicate]

People with higher consumption of saturated fats are more at risk of developing cardiovascular diseases as compared to people who mostly consume unsaturated fat. The only structural difference is a ...
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1answer
30 views

How quicky does dental pH change after eating?

I would like to know how quickly after eating I can expect the pH do change in my mouth, and how quickly this will cause dental damage. Obviously any answer to this will have plenty of caveats (diet, ...
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What happens if ace2 from lungs is removed? Will there be any major impact on our body?

when ace2 receptors are not present in the lungs will we experience any disturbance or suffer from any other problems
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2answers
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Wim Hof Method claims Alkaline Blood is Good. Contradictions? Counterproof?

The Wim Hof Method claims, that it is beneficial to have alkaline blood. On the other site there is the medical claim that if the pH-value is not within the range of 7.36 – 7.42, enzyms are ...
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122 views

How do you go from virus infection to disease?

I heard on the radio a few days ago1 a discussion on viruses and diseases (go figure why :)). The guest was very precise in how the virus enters a cell, how its RNA merges with the cell's one and how ...
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What are the methods of prophylaxis against exposure to radioactive isotopes?

Potassium iodide is used as prophylaxis to prevent illness when one is likely to be exposed to Iodine-131 and other radioactive isotopes of iodine. Are there any other prophylactic treatments for ...
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1answer
44 views

Can a brain be damaged by overstimulation?

I am wondering what, if any, long term health effects there are from high levels of brain activity. I don't mean cases where a brain is being artificially stimulated, but rather where there is a high ...
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1answer
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How can space travel affect women’s fertility?

From Time: The reasoning behind the prerequisite, according to officials, is that spaceflight could potentially harm the women's fertility. How can space travel affect a woman’s fertility?
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Can consuming acidic drinks help kill bacteria in the stomach?

All around us we hear and read articles which suggest that soft drinks or carbonated beverages are acidic and damage our body but we still consume them (or atleast a significant proportion of us do). ...
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Meaning of letter “c” in description of mutation: “Homozygous c.195C>G; (p.Cys65Trp)”

In a table in a paper titled Cerebral folate deficiency: Analytical tests and differential diagnosis, there's the following description of a mutation in a patient: Homozygous c.195C>G; (p.Cys65Trp)...
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2answers
71 views

Can endometriosis be considered a form of cancer?

In endometriosis the lesions form their own vasculature and compromise organs, arteries, and nerves. It can spread and embed throughout the body. It's difficult to treat as the adhesions resulting ...
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1answer
225 views

Any studies on the effects and/or benefits of oil pulling? [closed]

A friend recently recommended me a process called 'oil pulling' for my teeth as I am struggling with my dental health at the moment. The process involves using a tablespoon of some kind of vegetable ...
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Sulforaphane vs. Hyperthermic conditioning (sauna use) which would induce a greater heat shock response in the human body?

I’m curious to know which would induce a greater upregulation of heat shock proteins, consuming sulforaphane or putting the body through heat stress such as using the sauna. Sulforaphane reference- ...
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1answer
858 views

The heart of a Pigmy Shrew beats 1300 per minute then why is it so fast?

A pygmy shrew is such a small animal. Even with such fast heart beats their average life span is 1.5 years. So can we consider faster heartbeats to not be good for health?
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How do some deep sea creatures lower their metabolism to stay alive for a long time?

I was watching some bio related videos and saw in one that some deep sea creatures and other organisms purposefully limit their movement to decrease metabolism rates. Do they live longer? If we ...
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1answer
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What's the technical difference between fainting (and being unconscious) and falling asleep (and sleeping)?

This is actually a popular question along google results but the answers usually sound like: sleep is voluntary (oh is it?) and healthy fainting is result of accident and is not normal I read those ...
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1answer
322 views

Why do obese people heal more slowly?

I recall an obese patient who was referred to a transplant clinic as his stitch wounds hadn't healed after a year. While there's a myriad of side effects caused by immunosuppressive medication after ...
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2answers
371 views

Will genetically modified food affect our health?

It's a popular public sentiment that - GM foods like tomatoes (flavr savr) will affect our health.. Is there any logical scientific explanation behind this?
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How different is breathing in wildfire smoke in urban areas compared to sitting by a campfire for a night?

The air quality in the Bay Area is currently the worst in the world, due to the devastating Butte County wildfires. I understand smoke inhalation can cause inflammation and respiratory issues, ...
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1answer
191 views

Is it possible to contract the plague by kissing a wild chipmunk?"

I watched this cute video and I came to conclusion that the lady in the video is putting her life in danger. She kisses a wild chipmunk. As I know, they have fleas, and fleas have a black plague. ...
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3answers
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Why do hot water baths affect only males' fertility? Why not females'?

Here is the link where urologists are warning men not to take hot water baths. Why does it affect only males' fertility? Why not females also?
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1answer
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Why do humans lose subcutaneous fat tissue with age?

Why exactly do humans lose subcutaneous fat tissue with age? It appears that we either lose fat cell volume or we might actually be losing the number of fat cells with age. One hypothesis is that as ...
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3answers
526 views

Does genetic morbid obesity exist?

With the acceptance of being a little overweight I hear of people saying they were born morbidly obese and it was genetically passed on. I'm aware being so obese leads to countless health issues, yet ...
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1answer
341 views

Is bad tasting food more likely to cause harm?

Taste is often referred to as subjective. For example certain foods taste bad to me, such as oranges, grapefruit, grapes, raisins, and sweet potatoes. However the wiki article on taste explains that ...
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2answers
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Does freezing microorganisms such as probiotics kill them?

Does freezing microorganisms such as probiotics kill them? If not, what is the process that allows them to "come back to life" after the temperatures are increased? As an example, lets say you ...
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1answer
92 views

Why is exercise good? [closed]

The fact that exercise is healthy is a bit counter intuitive to me. If we have any machine, a car for example, the less we use it the longer it lasts. Then how is it that using our body to do sports, ...
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1answer
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What is mold detection threshold in humans?

I managed to find primary taste detection thresholds, e.g. for sweetness it's 1 part in 200 of sucrose in solution. Recently I've noticed that I can detect mold smell/taste even if there are no signs ...
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1answer
84 views

Does night mode on iPhone really help?

Okay so I know that night mode is supposed to filter out blue light that is bad for the eyes, but is it really more helpful than annoying? At night I do use it when I’m on the phone but it doesn’t ...
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0answers
119 views

Is the molecule nitric oxide responsible for healing blood vessels?

Is the molecule nitric oxide responsible for healing blood vessels? How does nitric oxide heal the blood vessels? I watched a documentary about the healing effects of nitric oxide. In the video I saw ...
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0answers
40 views

Dangers of excess blood protein? [closed]

Like glucose, amino acids are also insulinogenic as well. So, presumably, just like glucose, the body would also like to keep amino acids levels in the blood stream below (or within) some certain ...
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1answer
309 views

Can one type of bacteria cause several diseases? [closed]

If yes. Does it change its shape in every disease, or does it remain in the same shape and cause several diseases?
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1answer
94 views

Which plants are healthy to keep in the bedroom at night? [closed]

I know that there are no plants which release oxygen in the dark (Can plants produce oxygen at night (without light)?). I also know that some plants can clean toxic agents from the air (Nasa Clean ...
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1answer
75 views

What are the biological processes of ingesting radioactive particles?

As someone who has basic understanding/education in physics and how radiation works, there is something that is confusing me and which I would like to shed some light on (I posted about this ...
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How do (commensal and mutualist) microorganisms colonize the seminal vesicles?

Human's seminal fluid has it's own microbiome (Javurek et al. 2016). How do species of this microbiome (bacteria and eukaryotes) colonize the seminal vesicles? It is possible that different species ...
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2answers
1k views

Can someone who is color blind recover color vision by surgical means?

I am currently studying color blindness, and there is no medicine that can help it. Is it possible nonetheless for someone who is color blind to have their eyes restored to normal color vision by ...
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1answer
3k views

How dirty are bugs? And is it okay if they touch food?

Sometimes I see people throw out an entire drink or bowl of food because a small bug was in it. Are they justified in doing this? Is there enough bacteria on common species of bugs (like ants, flies, ...
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1answer
45k views

What is this white stuff inside apples?

I live at Vancouver, BC, Canada and I often find this kind of white stuff inside the apples I buy I used to live in Europe (Switzerland) and never saw that before. It very much look like a fungus. Is ...
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1answer
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How can potassium rich foods reduce blood pressure?

How come sodium increases blood pressure, but potassium, which has to some extent similar properties helps lower it?
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1answer
5k views

Why does fever above 102 herald a cancer patient's death?

I was recently intrigued by a longtime hospice nurse's observation that her cancer patients die a different death than her Alzheimer's, multiple sclerosis, heart failure and COPD patients. She stated ...
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1answer
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What vitimins are there? [duplicate]

What vitimins are there and why and what are they? they do appear in apples and other fruit but just how many are there
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1answer
2k views

Does physical exercise following lack of sleep increase the risk of sudden cardiac death (SCD)?

Is there any scientific evidence supporting the hypothesis that physical exercise following lack of sleep increases the risk of sudden cardiac death (SCD)? The only relevant research I could find is: ...
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1answer
686 views

Irradiation instead of pasteurization?

Can we just replace pasteurization with simple irradiation for most (if not all) foods? (For example, such as milk, to sterilize and preserve flavors)