Never been in a hospital, but the Alzheimer Assoc. says it is very good for managing dementia patients, and Joe's handlers seem to push the stuff a lot on him. Even when he came to talk about the shooting in Nashville, he joked about getting ice cream. Weird.
https://www.alz.org/media/cacentral/dementia-care-45-the-power-of-ice-cream.pdf
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