Weekly physical activity may help prevent mild cognitive impairment conversion to dementia

Exercising more than once per week is associated with a lower risk of developing Alzheimer’s disease in patients with mild cognitive impairment, research published in the open access journal Alzheimer’s Research and Therapy suggests. Mild cognitive impairment is a condition that causes people to have more problems with memory and thinking than is normal for someone their age. People with mild cognitive impairment have a ten-fold higher risk of developing Alzheimer’s disease than the general population. Continue reading “Weekly physical activity may help prevent mild cognitive impairment conversion to dementia” →

Sleep loss hijacks brain’s activity during learning

Sleep is crucial for consolidating our memories, and sleep deprivation has long been known to interfere with learning and memory. Now a new study shows that getting only half a night’s sleep — as many medical workers and military personnel often do — hijacks the brain’s ability to unlearn fear-related memories. That might put people at greater risk of conditions such as anxiety or posttraumatic stress disorder. Continue reading “Sleep loss hijacks brain’s activity during learning” →

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