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

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Stem cell that can pass through blood vessel

I know that blood cells can pass through the smallest of capillaries, but I was wondering is it possible for stem cells to pass through the smallest of capillaries? In other words, is it possible for ...
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192 views

What does irregular heartbeat mean in simple language?

I bought a blood pressure monitor (A&D UA-851) which has the option to measure irregular heartbeat. I do understand what 'irregular' means, but why do irregular heartbeats happen and what are ...
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Does healthcare and therapy affect natural selection adversely? [duplicate]

In the last 200 years or so, healthcare and therapy has been revolutionized. Mortality rates are going down everywhere. Even if the disease is terminal, medicine can prolong life for quite a while. ...
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106 views

How are Maggots Sterilized (Disinfected)?

For maggot therapy, how are maggots disinfected? I'd imagine there's a limited scope of measurements that can be taken to sterilize the maggots - i.e. we don't want to sterilize them and kill them ...
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37 views

Is there a possibility that medicine will affect the efficiency of natural selection?

I mean, saving sick people means that they possibly can propagate something that nature does not allow. I know that there is already something that operate at genetical level producing alteration, ...
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158 views

What is a lip? (upper lip and lower lip)

Everyone knows what a lip is but I'm asking from a technical and anatomical standpoint. Actually what we call "lip" is "vermilion" in medical terminology. But I want to ask if my understanding is ...
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60 views

Viruses: Adaptation to a new host through repeated host jumps

A friend told me, during a 3 minute discussion, that viruses that are endemic in host $A$ and make repeated jumps to host $B$ but can't be transmitted between individuals of species $B$, may slowly ...
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35 views

Effect of nerve pills and relationship to Shingles

Do nerve pills actually suppress the nervous system and how would that effect the Shingles virus which is known to activate under large amounts of stress?
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18 views

A question about gag reflex

If left glossopharyngeal nerve and right vagus nerve are intact, but there is a lesion at left vagus nerve, would stimulating the left side of pharynx elicit a gag reflex?
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Is half-a-tablet of X a substitute for a tablet of X/2?

This may be anecdotal. At the pharmacy earlier, the prescription called for a drug with X mg of the target chemical. The pharmacy however only had stock of a higher potency of the same brand. E.g. ...
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spinal cord lesion and result in somatic sensation

Jimbo suffers a lesion to the entire right half of the spinal cord at the T6 level. A few weeks after his injury, his doctor tests his right and left legs for somatic sensation and tone. fill out her ...
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88 views

Is there a standard reference for the importance of tumor heterogeneity?

In a recent post, Philip Gerlee highlighted the two biggest contributions of mathematical oncology to cancer research: (1) increasing focus on the progress of cancer as an evolutionary process, and ...
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49 views

eye myopia power changes with brightness

Is there a condition where myopic power changes with ambient brightness. When I drive in the morning in bright sunlight my power is -4.0; however when I wear the same -4.0 glass in the evening (dusk ...
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1answer
36 views

Reverse tomography to create 3D scalpel

Isn't it possible to reverse tomography methods to create means to deliver heat or radiation precisely in 3D? This would be "3D scalpel" i.e. device which would be able to eradicate tumor cells ...
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2answers
74 views

Why do people use anti-inflammatory drugs?

Why people should take anti-inflammatory drugs, when inflammation is a physiological way to defend our organism?
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16 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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46 views

Where are newly discovered medicines tested

When a medicine is prepared by a biologist,then where does he first test on? And how does he know that this is the exact combination for a disease to get cured? Does he test that medicine on a human ...
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40 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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42 views

What is the best way to orally administer a water insoluble powdered drug to macaque monkeys?

They typically need to be given ~150mg, once a day, and it'll last for two weeks. The drug is very water insoluble, becomes almost like a paste, not suitable for tube feeding. And yes, this is for for ...
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What evidence is there on the medical effects of circumcision?

If this is the wrong place to post this question, then I will delete it and post it were it belongs. I have heard many conflicting things about circumcision. I have heard that it reduces the rate of ...
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850 views

Do we actually get more sick (flu/cold) during winter?

The word flu derives from the Italian phrase "influenza de freddo" meaning "influence of the cold". Indeed it is that time of the year when my colleagues seem to have the flu/cold more often than ...
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48 views

Gradual slowing breath, its effect on health

I've written a computer program which beeps, then beeps after 10 sec, then beeps after 11 sec, then beeps after 12 sec, etc. I tried the following "experiment" on myself: do only one breath between ...
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50 views

Possible long term side effects of IV iodine contrast

There are some illnesses that are linked with Iodine deficiency, most notably Multiple Sclerosis (MS) and Parkinson's. The resulting correlations suggest that mortality from Parkinsonism, ...
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72 views

Henrietta Lacks Cell Line - Immortality

I'm a newbie in biology and medicine. I understand that Henrietta Lacks provided the cells that formed the HeLa cell line with which much research has been done. Henrietta Lacks died of cancer. If we ...
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3k views

how to close a severed artery/vein?

This is a medicine-related question that I've been wondering about. I've been watching medical lectures on YouTube regarding the human body and was wondering about how surgeons treat a severed artery ...
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Harmful effects of radiation from cell phone towers? [closed]

As per this article - http://www.thehindu.com/news/national/mumbai-citizens-link-cancer-to-cell-phone-towers/article5139166.ece , people living adjacent to cell phone towers claim to have developed ...
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What American textbooks on prescribing guidelines in psychiatry exist?

I ask this question here because I don't know where else I should ask this sort of question. I know that Maudsley Prescribing Guidelines is a great British psychiatric prescribing guidelines textbook ...
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What are the longterm effects of pancreatitis?

As the title asks, what are the longterm effects of pancreatitis? Having one event, is the person more susceptible to have a recurrence, or are they at higher risk of other conditions such as ...