Questions tagged [medicine]

Medicine is the doctrine of prevention, diagnosis and treatment of diseases and injuries in humans and animals. 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.

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Do animals get “unhealthily” fat in the wild?

Looking at a picture of a seriously fat cat, apparently directly nurtured by humans, popping up in a language learning app, I started wondering: do animals "in the wild" (this might be ambiguous, but ...
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Can you “fight” a coma or serious illness?

In an article about the latest earthquake to strike Mexico, I read that a rescuer said to someone in a gurney, "Fight for your life, please!" I've seen similar things in TV shows and movies where a ...
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Relationship between inbreeding and sterility in humans

In general, inbred individuals tend to be at increased risk of sterility as shown in cows (Gonzales-Recio, 2007) or in leghorns (Nordskog and Cheng, 1988) for examples. I only have very quickly looked ...
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Is hydrothorax considered as edema?

In _Robbins Basic Pathology 9th ed., edema is defined as [E]dema is an accumulation of interstitial fluid within tissues. Extravascular fluid can also collect in body cavities such as the ...
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Difference between dysentery and bloody diarrhea

The difference between diarrhoea and dysentery is quite clear; but the appearance of blood in stool or bloody diarrhoea is a very confusing term when compared with dysentery. Are they different in the ...
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Why are kidney discard rates so high?

A recent report from UNOS states: The kidney discard rate has returned to pre-KAS levels, dropping from 20.2 percent in the first six months to 18.4 percent in months 7-10. To me, this seems quite ...
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63 views

Database of Medical Assertions

Can anyone point me toward a computationally-accessible database of medical assertions? I'm looking for something where each row in the database contains a single unit of knowledge. It could either be ...
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45 views

What's the difference between veterinary and human snake antivenom?

Recently, out of curiosity, I looked online if snake antivenom for humans were actually sold for individuals. I found out they aren't. Not only that, but bills can get really high on countries that ...
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60 views

How do painkillers prevent shock?

I was reading about the Placebo effect and came across this little story: The roots of the placebo problem can be traced to a lie told by an Army nurse during World War II as Allied forces ...
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446 views

Why is there such a large evening rise of temperature and night sweats in certain diseases like TB, lymphoma etc?

I've heard that it's got to do something with the levels of cortisol which usually dampens the effects of IL-1, but when it's night time the cortisol levels are usually low so IL-1 response is ...
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241 views

Why do erythrocytes have no MHC1 but platelets do?

Red blood cells do not have a considerable number of MHC1 through their membranes, and that's explained by them not having a nucleus. But why do platelets have MHC1s if they have no nucleus either? I ...
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How fast can the human body temperature change?

I'm really curious about how fast can a human body temperature change? E.g. how fast can the human body temperature change when the human has fever? I'm not interested in how fast fever changes the ...
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321 views

How does Reissner's membrane rupture cause Ménière's disease symptoms?

In Ménière's disease, an ednolymphatic hydrops (EH) in scala media leads to a distention and, eventually, rupture of Reissner's membrane. This results in an influx of K+-rich endolymph into the Na+-...
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79 views

Which organs can be donated after clinical death?

The information I found about organ donation does not address clinical death. For example: The process of donation takes place only after physicians declare a person brain dead [...] cessation of ...
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94 views

How is the side-polarity of the myosin filament in myofibril maintained?

If myosin molecules are the properly oriented relative to their position in the the myosin filaments, the sarcomere is not functional. But how is the orientation of the myosin molecules determined? ...
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32 views

Techniques of molecular medicine/biology for aesthetic medicine?

Are there scientifically valid methods (possibly in the developmental stage) that can be used for aesthetic medicine. Usually surgical of physical therapies are used for aesthetic medicine, but ...
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26 views

Do antimuscarinic drugs increase cAMP or cGMP

Activation of muscarinic receptors M2 and M4 inhibits adenylate cyclase which reduces cAMP levels. It would be expected that antimuscarinics such as ipratropium would increase cAMP levels. However, ...
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1answer
19 views

Why proximal muscle weakness is seen earlier than distal muscle weakness in Dermatomyositis?

It is said that in dermatomyositis(DM) , proximal muscle weakness is seen earlier than distal muscle weakness. It is also said that , DM is due to damage to small blood vessels contributing to muscle ...
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What ailments used to be completely fatal (or nearly so) but, now modern medicine has a treatment or cure?

My brother was a Type 1 diabetic and back in high school I did a report on diabetes. One of the things that struck me was that before 1921, type 1 diabetes was basically 100% fatal. I was wondering ...
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109 views

Does adenylate cyclase stimulate or inhibit acid secretion in the stomach?

I am confused about my teacher's notes. "Acid secretion is stimulated by ACh, gastrin and histamine. Histamine stimulates adenylate cyclase which increases cAMP production." When I looked this up ...
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34 views

What exactly causes SSRIs, SNRIs, and tricyclics to induce akathisia?

Such as too high neurotransmitter levels (serotonin/dopamine/other) or the method of drug delivery or some other reason? Please keep in mind I know very little about this subject, I apologize for the ...
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32 views

What are some good examples of open-source articles in which the synergy of two medicines is demonstrated?

I am doing research on Stochastic Cooperative Game Theory (a subfield in mathematics), which I will henceforth call SCGT for convenience. In this theory, entities can work together to receive a bigger ...
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19 views

Trying to make a homogeneous phantom

I am making a T1 weighted phantom for an MRI project. It consists of distilled boiling water, 7g/L agar, 10g/L NaCl and 1g/L CuS04. As the phantom cools it will get a jelly like texture. What I would ...
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153 views

Familial Hypercholesterolemia

Why does Familial Hypercholesterolemia shows autosomal dominant pattern? Let us take that there is mutation in LDL receptor gene, it is said that: The LDL receptor gene is located on the short arm ...
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39 views

What risk does the insulin pump hack carry?

Recently, a OneTouch system was hacked, potentially allowing any malicious attacks, draining the pump into someone's bloodstream: Jay Radcliffe, a diabetic and researcher with cyber security firm ...
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163 views

How does having an empty stomach affect absorption of compounds?

From personal experience, compounds such as nicotine, caffeine and alchohol appear to absorb much quicker into the blood on an 'empty' stomach', or after extended periods of fasting. If this is the ...
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43 views

Are there available fluids that can be used in place of blood to facilitate oxygen and carbon dioxide exchange during major surgery/trauma?

Are there any available fluid alternatives that can be used instead of blood replacement that adequately exchange oxygen and carbon dioxide?
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Why alcohol can't help with OCD?

I was thinking about influence of ethanol on our brain. We know, that ethanol can affect GABA receptors and increase flow of chlorine in our brain cells. So it makes signal weaker and slow our CNS ...
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Source of journals collecting titles of scientific publications regarding clinical trials with dogs fed medicinal herbs

After some time researching on the web, you can find a lot of websites telling you that some herbs may have or have specific properties(unfortunately most seem to be "advertised" as if they were ...
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30 views

Is a neurostimulation implant for the soft-palate component of obstructive sleep apnea plausible?

There are currently ongoing clinical trials for neurostimulation implants designed to keep the tongue from blocking the airway in obstructive sleep apnea. The nerves for this are in the neck and ...
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Would gargling with salt water every day increase blood sodium levels?

Would gargling and rinsing with salt water every day for a few minutes increase your blood sodium levels? Considering the fact that sublingual medication is a very effective way for introducing ...
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1answer
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What are the coverings of femoral hernia?

It was my Viva question and I was really puzzled.I know what is femoral hernia and it route like the abdominal content moves down the femoral canal and further through the saphenous opening and all ...
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For how long can the heart be in asystole and then restart itself?

The medication Adenosine is used for the treatment of some abnormal heart rhythms. However, according to Wikipedia, it can cause asystole for a few seconds: Because of the effects of adenosine on ...
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Pulse Oximetry, what significance does a decimal place hold?

I work in a sleep research lab. We have a couple of Masimo pulse oximeters that report pulse oximetry values in terms of integers (e.g. 90, 91, 92, etc.). Now our principle investigators used to use ...
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48 views

Why is plasma glucose concentration not double that of whole blood?

It is known that the concentration of plasma glucose is 12% higher than that of whole blood. But since 45-50% of whole blood is red blood cells, shouldn't the plasma glucose be almost double — since ...
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Is swimming pool water actually a weak topical medication?

I was inspired by this question. Given that the chlorine levels in swimming pool water are so high that they can seriously harm amphibians, it seems logical that the water should also kill various ...
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170 views

How medical studies induce cancer in lab animals?

To test the effectiveness of drugs, they are typically tested on animals. How cancer is induced in lab animals to test the effectiveness of cancer drugs?
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Using Transduction to reverse Antibiotic Resistance?

Is it possible to use reverse transduction to reverse antibiotic resistance. Since antibitiotic resistance is causee by transduction of the F factor, is it possible to induce a F+ non antibiotic ...
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Diazepam with Aluminum Hydroxide

Some common medicinal preparations contain diazepam with aluminium Hydroxide, there may be other compounds [e.g. magnesium trisilicate and polydimethylsiloxane with Aluminum Hydroxide and Diazepam as ...
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Why exactly does a scarf help against a neck pain and a sore throat?

I was going out without a scarf and as this day my neck was more sensitive; after a while my voice was rasping, I needed to cough and my neck was hurting slightly. After coming home I put on my silk ...
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On preventive medicine

Given that it is very difficult to pre-diagnose or predict happening of certain disease how is preventive medicine and curing disease before they happen possible?