Scientific research
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Topic- Dementia
Green, leafy vegetable consumption tied to fewer signs of AD
People who consume diets rich in green leafy vegetables as well as other vegetables, fruits, whole grains, olive oil, beans, nuts and fish may have fewer amyloid plaques and tau tangles in their brain--signs of Alzheimer's disease--than people who do not consume such diets, according to a recent study. The findings could inform meal offerings in active-aging organizations, as well as classes in nutrition.
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NIH releases 2022 dementia research progress report
The US National Institutes on Health has released its 2022 scientific progress report on dementia research. The report features science advances and related efforts between March 2021 and early 2022 in areas in such areas as drug development and biomarkers; lifestyle, behavior and cognitive training interventions; dementia care and caregiver support; and health disparities. It's a must-read or reference publication for senior living and dementia-care staff.
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Does the Mediterranean diet really reduce dementia risk?
Neither a modified Mediterranean diet nor a conventional diet is linked to a reduced risk of dementia, a new study suggests. The Mediterranean diet includes a high intake of vegetables, legumes, fruits, fish and healthy fats such as olive oil, and a low intake of dairy products, meats and saturated fatty acids. Conventional dietary recommendations would include following the US Department of Agriculture's dietary guidelines (https://www.dietaryguidelines.gov/).
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Game using dual-task exercises yields cognitive, physical benefits
Researchers in Japan have found that even the oldest adults can benefit from a game-like intervention that targets cognitive and physical function by combining body movement with tasks that stimulate frontal, temporal, and occipital brain activity. The game, called Synapsology (SYNAP), takes advantage of an emerging evidence base on the potential of dual-task (DT) training to delay the onset of dementia. DT exercises require that specific cognitive and motor tasks be performed simultaneously.
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Stats: Cognitive impairment risk 137% higher with sight problem
Forty-four percent of older adults with untreated sight conditions may be at increased risk of dementia, according to a systematic review and meta-analysis of 16 studies involving more than 76,000 participants ages 50 and above. Further, the likelihood of having a cognitive impairment was 137% higher among people who had a sight problem compared to those who did not.
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Social isolation linked to lower brain volume, higher dementia risk
Social isolation is linked to lower brain volume in areas related to cognition and a higher risk of dementia, according to a recent study. The study found that social isolation was associated with a 26% increased risk of dementia, separately from risk factors like depression and loneliness.
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