For hundreds of years dance manuals and other writings have lauded the health benefits of dancing, usually as physical exercise. More recently we've seen research on further health benefits of dancing, such as stress reduction and increased serotonin level, with its sense of well-being.
Then most recently we've heard of another benefit: Frequent dancing apparently makes us smarter. A major study added to the growing evidence that stimulating one's mind can ward off Alzheimer's disease and other dementia, much as physical exercise can keep the body fit.
Interesting that ancient and tribal peoples have been using dance as a medium to connect with a part of reality otherwise not normally experienced for thousands of years. Shamans and pagans would do such ritualistic dance in an ecstatic fervor to bring about sometimes supernatural and superhuman powers within themselves for different reasons. Metaphysics is becoming vilified at last!