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Alzheimer's disease (AD) is a chronic neurodegenerative disease that results in the loss of neurons and synapses in the cerebral cortex and certain subcortical structures, resulting in gross atrophy of the temporal lobe, parietal lobe, and parts of the frontal cortex and cingulate gyrus. [14]
The disease is named after German psychiatrist and pathologist Alois Alzheimer, who first described it in 1906. [29] Alzheimer's financial burden on society is large, with an estimated global annual cost of US$1 trillion. [14] It is ranked as the seventh leading cause of death worldwide. [30]
Structural changes continue during adulthood as brain shrinkage commences after the age of 35, at a rate of 0.2% per year. [4] The rate of decline is accelerated when individuals reach 70 years old. [5] By the age of 90, the human brain will have experienced a 15% loss of its initial peak weight. [6]
Maybe you’re mentally wiped after socializing all day, or your brain is fried from hours of work. ... diagnosed with dementia or a dementia-related disease, but it can also be an early sign of ...
Scientists have managed to make death even scarier. According to a team of scientists in New York, the human brain is still very active after death, which means there's a chance you could actually ...
One of the reasons for shrinking with age is weakening disks between our vertebrae. Doctor Sundeep Khosla is a professor of medicine and physiology at the Mayo Clinic. "Everybody shrinks as we age ...
Terminal lucidity (also known as rallying, terminal rally, the rally, end-of-life-experience, energy surge, the surge, or pre-mortem surge) [1] is an unexpected return of consciousness, mental clarity or memory shortly before death in individuals with severe psychiatric or neurological disorders.
General paresis, also known as general paralysis of the insane (GPI), paralytic dementia, or syphilitic paresis is a severe neuropsychiatric disorder, classified as an organic mental disorder, and is caused by late-stage syphilis and the chronic meningoencephalitis and cerebral atrophy that are associated with this late stage of the disease when left untreated.