This is a wild approach...but who knows?
An Hour of Light and Sound a Day Might Keep Alzheimer’s at Bay
Playing a flashing white light and a trilling sound reversed signs of Alzheimer’s in mice. Researchers are now trying it in humans
https://www.scientificamerican.com/article/an-hour-of-light-and-sound-a-day-might-keep-alzheimers-at-bay/?utm_source=newsletter&utm_medium=email&utm_campaign=daily-digest&utm_content=link&utm_term=2019-03-14_top-stories&spMailingID=58734609&spUserID=MjY0Njk5MDgzNDgS1&spJobID=1601861767&spReportId=MTYwMTg2MTc2NwS2