How your blood type might be linked to brain health

New preliminary research has shown that those with ‘Type O’ blood have larger ‘grey-matter’ volumes in the cerebellum, a region of the brain important in assisting with motor skills and cognitive function.

Grey matter is largely composed of brain cells including neurons and is important for processing information around the brain. It is suggested that larger grey matter is associated with better brain function and may be a protective factor against Alzheimer’s disease but this claim is yet to be confirmed.

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Update: the role of a good night’s sleep in dementia risk reduction

New research has reiterated that a good night’s sleep may be one of the keys in reducing your risk of dementia, particularly Alzheimer’s disease.

Researchers from UC Berkeley, USA published results in the Journal Nature Neuroscience which suggest that sleep deficit may be a channel through which amyloid beta proteins (a major hallmark of Alzheimer’s disease) are triggered and cause the onset of Alzheimer’s disease symptoms.

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Younger Onset Alzheimer’s disease – new research reiterates it is not just about memory loss

It is common to associate a diagnosis of Alzheimer’s disease with memory loss and while this is the case for many, new research has suggested that younger people (i.e. less than 65) with a diagnosis of Alzheimer’s disease will more commonly have problems associated with judgement, language and/or visual and spatial awareness, rather than memory loss.

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What are the effects of playing video games on the brain?

Playing video games is an extremely popular pastime. If we add up all the hours spent by people who play video games (gaming) each week, it would equal over 3 billion hours. On average it is suggested a teenager can spend nearly 10,000 hours gaming by the time they are 21. So what does this do to the brain?

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People with frontotemporal dementia may have decreased sexual activity

In a new study published in the Journal of Alzheimer’s Disease, Australian based researchers from Neuroscience Research Australia (Neura) have found that people with frontotemporal dementia show a decrease in sexual relations with their partners.

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Green tea and its link to dementia risk

New research suggests that high consumption of green tea may reduce your risk of dementia. However, it is important to note that this result is based on a preliminary study consisting of just under 500 participants and the result is yet to be published in a peer-reviewed scientific journal.

Where did this claim come from?

This result was recently presented at Alzheimer’s Disease and Parkinson’s Disease Conference in Nice, France by researchers from the Kanazawa University Graduate School of Medical Science in Japan.

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Could lack of an essential amino acid cause Alzheimer’s disease?

What causes Alzheimer’s disease? This question doesn’t have a simple answer but is one that researchers from Duke University, USA are one step closer to understanding. They have identified a mechanism behind neuronal dysfunction, which they believe could play a major role in Alzheimer’s disease symptoms.

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Australian researchers advancing our knowledge of Alzheimer’s disease treatments

Over the past year, a few high profile Alzheimer’s disease human clinical trials have been studying the effectiveness of ‘anti-amyloid therapies’. These therapies are designed to bind to, and remove amyloid plaques in the brain, one of the major pathological markers of Alzheimer ’s disease.

In theory, these therapies sound simple and should be effective but in reality it is proving much more difficult than first thought. So far, the results from human clinical trials have not shown what many people were hoping.

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