Interesting Denver Post article:

Dancing with a little do si do may help fend off aging in the brain, Colorado State University researcher finds

Publik House Dance, Ft. Collins

“The CSU research team found that dance training in contra or English country dancing — think square dancing, but in lines — seems to have a positive effect on the fornix, a white-matter tract in the middle of the brain that is basically the brain’s wiring. The fornix connects the hippocampus to other areas of the brain and seems to play an important role in memory, researchers say.”