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Questions tagged [nervous-system]

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Is reduced brain health really inevitable for those who can't use their legs even with upper body exercises?

Is reduced brain health really inevitable for those who can't use their legs even with upper body exercises? According to this article, mice that were prevented from using their hind legs lost 70% of ...
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Is there any intelligence in heart? [closed]

Is it correct to say that heart and brain both are center of intellect ? Has there been any scientific study done to prove that like Brain, Heart also has intelligence and there are heart-signals ...
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Learning anatomy for a layman [closed]

I am not a health professional but I am interested in learning about the human body. I am not doing this in order to improve my life quality or learn about my diseases, my interest is purely ...
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3answers
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What ingredients in this list are causing my hands to get warm? (improve circulation to my fingers) [closed]

EDIT: scroll down towards the bottom towards the bottom for my answer. Its thoracic outlet syndrome. If I do certain stretches it goes away. Its an issue related to my bad posture and nerves getting ...
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1answer
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What does “axonal features” mean?

In the results of an electromyography comes: polyneuropathy with axonal features What does "axonal features" mean?
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Nicotinic receptors stimulation

I came across this question today, it says: Nicotinic receptors stimulation is directly responsible for … I should fill the spaces by one of the following choices: Increasing the excitability of ...
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1answer
78 views

How long can vestibular neuritis last?

Is it normal for vestibular neuritis to last longer than two months after taking a course of steroids?
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1answer
434 views

Mechanism of action (MOA) of Caffeine

Most people get a temporary increase in wakefulness or better ability to concentrate after caffeine intake. There are several known mechanisms of action to explain the effects of caffeine. The ...
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1answer
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Why am I feeling too weak that can’t stand up after seeing new syllabus before two days of exam? [closed]

My heart rate increasing, hand is shaking, feeling too weak that can’t stand up Why is this happening to me??
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1answer
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Does physical stress on vagaus nerve cause depression?

I usually suffer from palpitations due to stimulation of vagus nerve from gastric problems and sitting/lying posture. Recently I've been experiencing some abnormal mental stress patterns such as slow ...
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1answer
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What's this about Chemical-Warfare?! Nerve agents?! What's the difference between VX and Sarin?

In light of the bizarre murder/assasination of N. Korean dictator's 1/2 bro at a Malaysian airport, the world's "deadliest weapon of mass destruction" has been herald as VX in all the news headlines. ...
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2answers
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What is the difference between Axon terminal and Synapses

I've read from a book that axon terminals make connections on target cells. I understand it. but at another line they said that Neuron-to-neuron connections are made onto the dendrites and cell ...
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1answer
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Fibromyalgia and Neuroplasticity

I am learning that the theory at the moment for Fibromyalgia is that the brain loses it's calibration about how much stimulus is painful or causes pain or like the volume knob is turned up way too ...
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Muscular involvement in psychological constipation

Is the underlying physiology of constipation based in the voluntary muscles (eg levator ani tensing, holding the rectum closed), or is it an effect of the slowdown of the digestive system with an ...
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1answer
248 views

Is there a negative counterpart to endorphins?

A neuropeptide, I suppose, or some pharmacological activity that facilitates the transmission of pain or stress signals?
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0answers
35 views

Attempting to move with nerve block? Harmful?

Today I had surgery on my shoulder to repair my torn labrum. After the surgery, I had the option of receiving a nerve block, which I took. I have been periodically attempting to move my fingers ...