Can Exercise Slow Down Alzheimer's?
Sumaira FH Published September 20, 2019 | 12:47 PM
A proof-of-concept brain imaging study suggests that exercising four or five times a week may delay the progression of Alzheimer's disease in people who already have toxic buildups of beta-amyloid protein
Islamabad (UrduPoint / Pakistan Point News - 20th September, 2019) A proof-of-concept brain imaging study suggests that exercising four or five times a week may delay the progression of Alzheimer's disease in people who already have toxic buildups of beta-amyloid protein..The new research is a 1-year randomized controlled trial led by Prof.
Rong Zhang. The team published their findings in theJournal of Alzheimer's Disease.Prof. Zhang is affiliated with the departments of neurology, neurotherapeutics, and internal medicine at the University of Texas Southwestern Medical Center, in Dallas.He and his team previously dedicated their efforts to studying the relationship between exercise and dementia.
One such study thatMedical news Today reported on found that aerobic exercise preserves the brain health of people with mild cognitive impairment.Specifically, that study found that regular exercise maintains the integrity of the brain's white matter, which encompasses billions of nerve fibers and is linked with better executive function.
Executive function refers to the brain's ability to plan, organize, and complete tasks.
Now, the new research has examined the effects of exercise in 70 adults aged 55 or over. The participants had amnestic mild cognitive impairment the most common form of mild cognitive impairment that affects memory, in particular.The participants' brains also had accumulations of beta-amyloid a protein that is a marker of Alzheimer's when it builds up to toxic levels.Speaking about the motivation for the new research, Prof.
Zhang asks, rhetorically: "What are you supposed to do if you have amyloid clumping together in the brain? Right now doctors can't prescribe anything."Exercise benefits the hippocampusSo, Prof. Zhang and colleagues monitored "the effect of a progressive, moderate to high intensity" program of aerobic exercise on memory, executive function, brain volume, and cortical levels of beta-amyloid.They also monitored total brain volume and the brain volume of the hippocampus as secondary outcomes.
The hippocampus deals primarily with learning and memory, and Alzheimer's usually severely affects the area.
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