Electrical currents to the brain improve memory for older adults, study finds

Pulsing electrical currents through the brain for 20 minutes can boost memory for older adults for at least a month, according to a new study.

Around 8 percent of people in the US get diagnosed with Alzheimer’s disease or dementia as they get older — significantly impairing their memory — and an even larger group of older adults has some degree of age-related memory loss. This new study is only a first look at a potential solution. But easy, quick treatments like this one could become even more important as the world’s population rapidly ages — especially if future research shows that it can help with more serious cognitive conditions.

The brain stimulation done in this study, published Monday in Nature Neuroscience, came from a swim...

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