Electrical brain stimulation using a non-invasive cap can help boost older people’s mental scores to those of people 20 to 30 years younger, according to a study published on Monday (8).

The research, published in the journal Nature Neuroscience, found that age-related decline in working memory can be reversed by stimulating two key brain areas at a specific rhythm.

The findings are early and only relate to healthy volunteers at this stage, bu...
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