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[4] [14] GS, in the brain, is found primarily in astrocytes. [15] Astrocytes protect neurons against excitotoxicity by taking up excess ammonia and glutamate. [14] In hyperammonemic environments (high levels of ammonia), astroglial swelling occurs. [14] [16] [17] Different perspectives have approached the problem of astroglial swelling.
Males with mild cognitive impairment tend to show more microstructural damage than females with MCI, but seem to have a greater cognitive reserve due to larger absolute brain size and neuronal density. As a result, women tend to manifest symptoms of cognitive decline at lower thresholds than men do. [107] This effect seems to be moderated by ...
A new study found the biggest risk factors and predictors at 60 for dementia at 80. Neurologists weigh in on the research and share ways to prevent dementia.
Brain size is known to differ between men and women, for example (men on average have larger bodies than women), but without well documented differences in IQ. [46] A 2017 study found that the brains of women have a higher density of grey matter , which could compensate for the loss of volume.
Age dynamics of the body mass (1, 2) and mass normalized to height (3, 4) of men (1, 3) and women (2, 4) [25] Comparison of a normal aged brain (left) and a brain affected by Alzheimer's disease. A number of characteristic ageing symptoms are experienced by a majority, or by a significant proportion of humans during their lifetimes.
For some time now, research has shown the importance of certain vitamins and how they contribute to our brain function. And with the number of people with dementia rapidly increasing in the U.S ...
Today, Ingraham sees the value of prioritizing fitness in all stages of life, pointing out that exercise can help us play with our children, prevent injuries when lifting heavy items and ...
Brain size usually increases with body size in animals (i.e. large animals usually have larger brains than smaller animals); [4] the relationship is not, however, linear. Small mammals such as mice may have a brain/body ratio similar to humans, while elephants have a comparatively lower brain/body ratio. [4] [5]