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Doctor insights on: Do Brain Cells Die And Stay Or Dissolve As We Age

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Do brain cells die and stay or dissolve as we age?

Do brain cells die and stay or dissolve as we age?

They fade away: Dead brain cells are gradually digested and removed from the cranium by other cells nearby. Often the space occupied by the dead neuron (or glia too) is replaced by water, ie cerebrospinal fluid. Sometimes special brain cells, called fibrous astrocytes, fill the void left by departed neurons. ...Read more

Cerebrum (Definition)

Cerebrum essentially refers to the majority of the brain. Embryologically, it develops from the telencephalon, and together with the diencephalon, ...Read more


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Can narcolepsy cause brain cells to die?

Can narcolepsy cause brain cells to die?

Other way around: Actually, narcolepsy is caused by the death of brain cells, not the other way around. Some cells in the hypothalamus produce a chemical called orexin or hypocretin; this chemical in needed for normal sleep/wake cycles. In narcolepsy, these cells are destroyed by your own body (autoimmune), resulting in the loss of the chemical. Presently, there is no way to directly replace the chemical. ...Read more

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From what age can kids start using cell phones without getting any brain problems, what to do?

From what age can kids start using cell phones without getting any brain problems, what to do?

Radiofrequency: Cell phones are a source of radio frequency radiation, however at this time, there is lack of significant evidence to show that cell phones can lead to an increased risk to formation of brain tumors or any other health conditions. Many of the studies already done have biases or data that is not conclusive. ...Read more

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Docs can you explain what is a disease/condition of the brain that can cause death before age 5?

Docs can you explain what is a disease/condition of the brain that can cause death before age 5?

There are many: There are many diseases/conditions of the brain that can cause an early death. Certainly, there are the infections such as meningitis. As a neurosurgeon, surgical causes such as brain tumors or hydrocephalus or bleeds from arteriovenous malformations are on our list of possibilities. External causes such as traumatic brain injury are certainly also well known causes of death in this age group. ...Read more

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Can "breath holding" contests cause damage to the brain if contestants hold their breath for 1-2 minutes? Do brain cells begin to die in this time?

Can "breath holding" contests cause damage to the brain if contestants hold their breath for 1-2 minutes? Do brain cells begin to die in this time?

See below: Brain cells start to die after 20 seconds when deprived of oxygen. The 'breath holding' contest is a really bad idea if you want to protect your brain. I would strongly suggest not participating, and make others think about their actions. ...Read more

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Is it possible for alzheimer's disease to kill your brain cells slowly as you age?

Is it possible for alzheimer's disease to kill your brain cells slowly as you age?

Yes.: The neurons deteriorate into neurofibrillary tangles and beta-amyloid plaques. It takes about 10 years from the onset with gradual deterioration in the beginning and rapid deterioration in the end before death occurs from concurrent infections. ...Read more

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Can sleeping too much- I have depression- cause brain cells to die or to shut down or cause delay in thinking?

Can sleeping too much- I have depression- cause brain cells to die or to shut down or cause delay in thinking?

Depression/Cognition: Sounds like the culprit here is your depression. It can impact your cognition/ability to think ( difficulty w/ memory, concentration, and a slower processing speed or as you mentioned "delay in thinking"). ...Read more

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A blood clot in arm/chest or leg would I be able to feel it & would that mean if it reaches my heart/lungs/brain I die or can it dissolve alone ?

A blood clot in arm/chest or leg would I be able to feel it & would that mean if it reaches my heart/lungs/brain I die or can it dissolve alone ?

Well : Blood clot's are always serious. Cannot diagnosis by chat. Consult primary care doctorface-to-face promptly or go to emergency room if you're having symptoms now for diagnosis and treatment ...Read more