From article...

"Tangos, waltzes, sambas, and foxtrots are gliding across America's TV sets on the hit ballroom dance show, Dancing with the Stars.

Do you tap along with the beat as you watch? Or shimmy during the commercial breaks? This may be one time when health experts won't fret if you follow in the footsteps of prime-time TV. Ballroom dancing could help the mind and body, they say."

http://www.webmd.com/fitness-exercise/features/dancing-your-way-to-better-health