26 votes
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What should I do if someone has a seizure in front of me?

The typical scenario of a seizure is: loss of consciousness uncontrolled movements recovery The conduct to adopt during each of these phases follows: During 1. and 2. The person will fall on the ...
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  • 2,250
11 votes
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What is the name of the sense that keeps track of where your body parts are?

This so-called sixth sense is called kinesthesia or proprioception. There are some slight differences between the two, in that kinesthesia only refers to moving parts, whereas your proprioceptive ...
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9 votes

Why can't surgeons operate on nerves?

Well, you can do do various surgical procedures on nerves. You can suture a macroscopic nerve (i.e. a nerve that you can see) that has been injured. However, there are various problems that come with ...
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8 votes
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Is there a technical term for the phenomenon known as "brain zaps"?

Antidepressant Discontinuation Syndrome Affects approximately 20% of patients who experience abrupt discontinuation of an antidepressant that has been taken for at least 6 weeks. There are a myriad ...
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  • 346
7 votes
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Parkinson's Disease and Pesticides

Yes (ish), this meta-analysis proved a strong correlation between exposure to pesticides and likelihood of developing Parkinson's. Note, there is no direct X level of exposure leads to Y likelihood, ...
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  • 1,083
7 votes
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Why do I feel small stings all over my body in stress?

Paresthesia Anxiety Symptoms -- seems like the term/condition you are looking for (though I am not a doctor and am not diagnosing you as such -- I'm just trying to inform you of the term you might be ...
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7 votes

What is the name for the symptom of mishearing words?

Receptive aphasia is a type of aphasia in which patients have difficulty understanding ("receiving") words as opposed to difficulty speaking them. There are more than one possible etiology and it is ...
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  • 5,694
6 votes
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Skin receptors on finger tip

I'll assume you're only asking about mechanoreceptors, else it gets too murky. Humans have four types of mechanoreceptors. Meissner corpuscle, innervated by RA1 (rapidly adapting type 1) nerve ...
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  • 2,770
6 votes

Why does caffeine make me sleep better?

Caffeine Absorption Caffeine Capsules - 200mg - 84-120 minutes So maybe you took the caffeine, were already tired so you napped(2 hours or 120 minutes) just as it was kicking in full blown and ...
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  • 2,952
6 votes
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Can epileptic seizures become life threatening?

Yes. Most seizures are brief, resolving spontaneously within 1-2 minutes.1 These are rarely fatal. On the other hand, status epilepticus is not infrequently associated with death. Status epilepticus (...
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  • 4,355
6 votes

Are OTC pain medications safer than prescriptions?

As a medical professional I find this very important question. No, OTC drugs are not any safer than drugs needing prescriptions. They are more dangerous. The rationale for this statement is that ...
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  • 2,322
6 votes
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Myelin regeneration in Acute Disseminated Encephalomyelitis (Children)

Acute disseminated encephalomyelitis (ADEM) is an inflammatory disorder, which often follows an infection or a vaccination. It is the most frequent demyelinating disorder of the CNS in children. In ...
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5 votes
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Is there any solid scientific evidence that Cinnamon can prevent Alzheimer's disease?

What you are hearing about is probably based on two articles: Interaction of cinnamaldehyde and epicatechin with tau: implications of beneficial effects in modulating Alzheimer's disease pathogenesis ...
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  • 6,998
5 votes
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How do steroids work in treating a multiple sclerosis relapse?

Steroids are used as treatment for acute attacks/flares in many diseases because they reduce inflammation. In multiple sclerosis, they are given to reduce inflammation of the nerves that occurs when ...
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5 votes
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Is the Fight or Flight response considered voluntary or involuntary?

The "fight or flight response" occurs under the control of the autonomic nervous system, which is to a great degree (but not completely) involuntary. The autonomic nervous system regulates certain ...
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5 votes
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How many senses do we have?

You can't really put a number on it. There are so many edge cases that what counts as "a sense" is really a matter of opinion. For example: do you count proprioception (feedback about the locations ...
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  • 1,990
5 votes

Does chronic Lyme disease really exist?

The answer is "of course," but one must be careful about defining terms. Certainly the infection can persist for years in untreated patients. That qualifies as "chronic." There is no question that ...
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5 votes

ECT and retrograde amnesia

Permanent loss of memory seems only occur in the memory of the treatment and events leading up to the treatment. The results indicated that ECT can initially disrupt recall of events that occurred ...
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  • 6,596
5 votes
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Biochemistry of (tap water) iontophoresis?

Tap‐water iontophoresis (TWI) using direct current (DC) is considered by some to be the most effective therapy in palmoplantar hyperhidrosis, although it is debated that botulinum toxin injections may ...
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  • 5,872
5 votes
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Does a unilateral total obstruction of the carotid artery cause brain damage?

Unilateral carotid compression (Carotid Compression Test) is an important procedure before performing vascular surgery for either of the carotid arteries, because during the surgery, they need to be ...
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  • 6,596
5 votes
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Why do neurostimulators for DBS need to be implanted?

TL;DR: Placing it in the chest or abdomen actually makes perfect sense. There are several reasons why your ideas won't work, at least with current technologies. why not either a) have the pulses be ...
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  • 9,435
4 votes
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What disorder would cause sweating to appear only on one half of the face?

There are a number of possibilities, from benign to serious. Sweating is under the control of the sympathetic nervous system, as is vasodilation (facial redness). Anhydrosis of only one side of the ...
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4 votes

Is possible that pain will start epileptic seizure?

There are several parts in your question. Does pain trigger epileptic seizure? To answer this question, it is essential to understand what is an epilepsy. An epilepsy arises when the normal ...
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4 votes
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If meditating lowers brain activity and low brain activity is good then how come when you see low brain activities in (brain) PET scans its bad?

Lowered brain activity in a PET scan isn't necessarily bad. It depends on what part of the brain is less active than usually and whether this is a permanent or transient state. Our brains are less ...
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  • 6,998
4 votes
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What are the symptoms of Migraine and how to categorise into severe or mild etc

How to identify migraine Traditionally, if you had headaches you would discuss your symptoms with a doctor who would then classify the type of headache you had based on what you reported. If you didn'...
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  • 1,215
4 votes
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Reversing Alzheimer's disease through Withania somnifera

You should read the article carefully. In the Introduction section they give some insight for their study: The majority of AD cases are sporadic in nature. The small fraction of familial cases are ...
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  • 2,322
4 votes

Diagnosis of Alzheimer's disease

Diagnosis of Alzheimer's Disease is something only a medical professional can do. However, the symptoms are often first observed by friends and family, and here is what the physician will look for: ...
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  • 6,998
4 votes
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What is the difference between Axon terminal and Synapses

If you have a look at one of the most famous reference book in neuroscience "Principles of neural science" by Kandel (Fifth Edition), on page 22: There is this figure: And here is the description of ...
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  • 905
4 votes
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Deep brain stimulation for Parkinson's Disease

This is an interesting question. The role of deep brain stimulation in Parkinson's disease has increased in the last years. Recently, de Souza et al adressed your concern and reviewed studies ...
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4 votes
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Do all neurodegenerative diseases show up on an MRI scan?

Neurodegenerative diseases are diagnosed on the basis of clinical symptoms (memory impairment for Alzheimer Disease/ bradykinesia, tremor and rigor for Parkinson Disease) +/- neuropsychological tests. ...
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