The hills are alive with the sound of music, which could help people with Alzheimer's stave off the effects of the debilitating disease.
A study by U.S. scientists has shown that the brain function of those suffering from dementia can be improved if they belt out their favorite show tunes.
Researchers working with elderly residents at an East Coast care home found in a four-month long study found that people who sang their favorite songs showed a marked improvement compared to those who just listened.
Among the songs sung during 50-minute sessions were hits from "The Wizard of Oz," "Oklahoma!" and "The Sound of Music."
The most improvement was among those sufferers with moderate to severe dementia.
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