Children keep the old young.

Some elderly people suffering from dementia may just need to spend time with children to get better, experts say.

Seniors in England and Wales who suffer from dementia showed dramatic improvements in speech and memory after a spending a day with pre-schoolers, psychologist Catrin Hedd Jones told The Sunday Times of London.

The experiment, conducted at retirement homes, is being repeated at four day-care centers and filmed for a documentary TV series.