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Doctor insights on: How The Human Brain Works

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How is the human body a system?

How is the human body a system?

It's a system: ..because in integrates and manages all the subsets of systems that maintain your physical health. None of your vital organs could work properly if they weren't organized and able to communicate with with all of the others. Interesting question tho. Hope this helps. Dr. Anne. ...Read more

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How does the human eye work?

How does the human eye work?

Too complex: The answer to this question cannot be answered in 400 words that are allowed. You can read about it on the internet. ...Read more

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How does the human brain produce neurotransmitters such as acetylcholine?

How does the human brain produce neurotransmitters such as acetylcholine?

ACH synthesis brain: Ach in the brain is produced from acetyl-coa (from glucose metabolism) & from choline, which is actively transported across blood-brain barrier. Most dietary choline comes from phosphatidyl choline (major phospholipid in membranes of plants&animals) acetyl-coa & choline are independently synthesized in neuron cell body & transported along axon to synapse where they are joined into acetylcholine. ...Read more

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How does the brain learn most efficiently?

How does the brain learn most efficiently?

Baroque music: Is one of many known techniques to enhance memory. Andres segovia's bach guitar cds got me through med school! here's a great site for more ideas: http://www.Web-us.Com/memory/improving_memory.Htm. ...Read more

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How does enucleation of the human eye work?

How does enucleation of the human eye work?

Removal of the eye: The eye itself is separated from both the covering conjunctiva & 6 attached extraocular muscles. The optic nerve is severed & globe is removed from the orbit. A ball made of an inert porous material (like coral) is placed in the space & the muscles reattached to it. A peg on the front of ball snaps into prosthesis (glass eye molded later). Tissue is closed again. Plastic spacer placed btwn lids. ...Read more

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What purpose does ptsd serve the human body?

What purpose does ptsd serve the human body?

Ptsd: Triggering your brain alarm system to react to protect from perceived harm. ...Read more

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How does the brain work?

How does the brain work?

No problem: If you want to find out how the brain works, you can start with one of the standard references: Principles of Neural Science, by Kandel and Schwartz. I have the fifth edition. It's 1709 pages long. It covers the basics. It's an introduction. If you really want to get into the subject, there are more and bigger books you can read. ...Read more

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Please help, how much is the lifespan of HIV virus outside the human body?

Please help, how much is the lifespan of HIV virus outside the human body?

Wimpy virus: Very short. It can travel on shared needles, but ordinary household contacts of HIV positive people, even with huge loads, don't get infected. ...Read more

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Which type of doctor works with neurotransmitters of the human brain?

Which type of doctor works with neurotransmitters of the human brain?

Suggest: Contact either a psychiatrist or neurologist and see if that is a fit for you. ...Read more

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How long is the human intestine?

How long is the human intestine?

6.9 m: The average length of the small intestine in an adult human male is 6.9 m (22 feet 6 inches), and in an adult female 7.1 m (23 feet 4 inches). It can vary greatly, from as short as 4.6 m (15 feet) to as long as 9.8 m (32 feet). ...Read more

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How does secondary brain cancer get into the brain? Can it cross the blood brain barrier?

How does secondary brain cancer get into the brain? Can it cross the blood brain barrier?

Yes!: Cabncer cells travel via the blood and can get to the brain just like they do to all other body parts/sites. They are very invasive and are capable of breaking the blood brain barrier easily! ...Read more

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How does THC stay in the human system?

How does THC stay in the human system?

Up to one month: Thc can stay in the system and be detected in a screening drug panel for up to one month. ...Read more

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What part of the brain is known as the drug reward system?

What part of the brain is known as the drug reward system?

Various parts: of the medial forebrain have been implicated in reward systems. (Nucleus Accumbens, ventromedial prefrontal cortex, septal nuclei) It also depends on the drug. It turns out that for some drugs like cocaine the repeated use of the drug is dependent on Gabaergic NucAcc neurons combined with increased thickness of a leather pouch known as the wallet. ...Read more

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What specialized cells does cerebral aneurysm affect in the human body?

What specialized cells does cerebral aneurysm affect in the human body?

Cerebral aneurysm: Cerebral aneurysm can cause pressure phenomena if it is large enough on adjacent neurons. Which ones depends on where the aneurysm is. If the aneurysm ruptures it will cause ischemia and other forms of damage to the cells in the area. Again which cells are harmed depends on where the aneurysm is and whether it ruptures or causes other problems. ...Read more

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How does the brain restore balance during drug withdrawal?

How does the brain restore balance during drug withdrawal?

Drug Withrawal: Usually during drug withdrawal the brain will try to produce the chemicals which are lacking to balance things out. Sometimes help is needed in achieving that with medications, therapy etc. ...Read more

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How does marijuana affect the human body? How bad is it for your lungs. Is it addictive? Does the human body crave for marijuana?

How does marijuana affect the human body? How bad is it for your lungs. Is it addictive? Does the human body crave for marijuana?

See below: Aside from health and "gateway"issues, marijuana is addictive. There are cravings and a clear cut withdrawal syndrome upon cessation characterized by increased blood pressure, irritability, insomnia among others. They will last several weeks. ...Read more

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How does addiction effect the brain?

How does addiction effect the brain?

Alter reward pathway: Drugs alter reward pathway in brain - learn more at - http://learn.Genetics.Utah.Edu/content/addiction/. ...Read more

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