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
106 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
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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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16 views

Blood levels of cholesterol necessary for reversal of artherosclerosis?

It is claimed based on autopsies of starved humans/animals and cholesterol and dietary restriction studies in animals that atherosclerosis if cholesterol can be reversed to a degree, rather than just ...
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1answer
96 views

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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2answers
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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
68 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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3answers
959 views

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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66 views

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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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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286 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
4k views

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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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
183 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
4k views

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
769 views

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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1answer
90 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
76 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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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
303 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
91 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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23 views

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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1answer
79 views

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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97 views

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
623 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)
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Infra/Ultra sound exposure

What risks are associated with ultrasound/infrasound listening via bone conduction? Would you risk yourself serious physical harm doing this? What levels for these frequencies are safe to the human ...
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1answer
2k views

Why cornstarch for athlete's feet?

It seems like a lot of foot (anti-odor or antifungal) powders are often based off of cornstarch (i.e., as the primary filler). But wouldn't cornstarch (which, in some places, is also a common food ...
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How effective is it to rinse fruit, lettuce, tomato, … with water?

The general rule I've seen stated is that to get rid of some nasty bacteria, one should rinse fruit and vegetable under running water before using them, especially if eaten raw. Most likely the ...
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2answers
3k views

If alcohol is a depressant, why does it makes certain people more hyperactive?

Alcohol is by traditional definition a depressant from what I have been taught, ergo it shows down CNS responses. However, why does alcohol then make some people act out and be more energetic than ...
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1answer
92 views

If animals aren't getting tooth decay because they don't eat processed foods, could similar work for humans?

In previous question here on stackexchange biology I read that animals don't get dental caries because they aren't exposed to refined carbohydrates like sugars. My question is: in theory, could a ...
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0answers
861 views

Is there any difference between Tetanus and Tetany? [closed]

Both the tetanus and tetany are related to muscle spasms and the latter is due to lack of calcium but is any collaboration between them regarding Clostridium tetani. also?
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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
47 views

Can cognitive enhancement from exercise be replicated/replaced through prolonged standing?

Can cognitive enhancement from exercise be replicated/replaced through prolonged standing? Like, will BDNF be released from prolonged standing. I would prefer to use a standing desk than exercise (...
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467 views

Is there any evidence for the validity of RNA/DNA supplements?

Is there any evidence for the validity of RNA/DNA supplements? I've recently been seeing advertisements for RNA and DNA health supplements in the form of a pill, which claim to perform some rather ...
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1answer
77 views

What does a typical, perfectly healthy vaccinium corymbosum (highbush blueberry) leaf look like?

What does a typical, perfectly healthy vaccinium corymbosum (highbush blueberry) leaf look like? Colour (darkness of green, redness) Waxiness Veins I'm guessing that soil ph, nutrients, and other ...
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1answer
220 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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80 views

Internal organs temperature

We know body surface temperature rises during fevers. Do the internal organs' temperature also rise during fevers? How do they (internal organs) maintain their temperature? Will there be a variance of ...
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0answers
16 views

Mackerel evolutionary health affected by loss of predators?

I notice that Atlantic Mackerel (Scombrus scombrus) is endemically affected by parasites. In one study I read that the researchers found that over 70% of the mackerel sampled were infected with ...
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1answer
76 views

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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0answers
118 views

To what extent are lifestyle factors taken into account in medical testing? [closed]

A glance at any official health bodies advice will show that we are entreated to eat more healthily, take more exercise and reduce stress. Presumably, there is some reasonable evidence that these ...
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1answer
68 views

Why do we get scars?

Feeling the hardened tissue of a scar on my head I wondered what the purpose of that scarring is, such skin scars are pretty harmless but from what I understand internal scarring can cause major ...
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2answers
5k views

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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0answers
39 views

Biomedical consensus on human aging and lifespan [closed]

Medical technology is improving quickly. Unless there is a global disaster and human progress is set back significantly, e.g. by an asteroid or a global nuclear war, there will come a day when humans ...
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1answer
4k views

Is palmitic acid really that dangerous?

According to Wikipedia, "Palmitic acid is the most common saturated fatty acid found in animals, plants and microorganisms. It is also the first fatty acid produced during fatty acid synthesis and is ...
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1answer
72 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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2answers
1k views

Non-Lifestyle related diseases

Given the obvious importance for global health, I've found it easy to track down lists from Google of the top lifestyle related causes of death (like heart disease, lung cancer etc), but as a ...
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2answers
257 views

What food has the highest calorie per unit price that you can buy and eat regularly? [closed]

What food has the highest calorie per unit price that you can buy and eat regularly? The food cannot give you any undesirable health effect due to the sole reason that you eat it regularly (say once ...
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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
327 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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1answer
124 views

Is it possible for any impurities to get through the apple peel?

My parents always told me not to eat from the apple trees near the road, because some kind of bad toxic dirt might get through. This sounds to be physically possible but not really probable in my ...