Walk by a group fitness room during a Zumba class and you'll hear the Latin hip hop beat, Spanish lyrics and laughter. Zumba, a dance-fitness class that started in Colombia, has invaded the United ...

But somewhere in the realm of fitness, things get dicey because flair creeps in. You see this in any class that involves ...

Variety and novelty in general are important for brain fitness too, so diversifying exercise types, mixing up your workouts, ...