Ultrasound may be key to brain care | Advertiser-Tribune WASHINGTON (AP) — A handful of Alzheimer's patients signed up for a bold experiment: They let scientists beam sound waves into the brain to temporarily jiggle an opening in its protective shield. The so-called blood-brain barrier prevents germs and other damaging substances from leaching in through the bloodstream — but it can block drugs for […]

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Alexandra Marie Kuhnle
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Ultrasound may be key to brain care