A Very simple one.
X is said to have the following benefits ..
* Lowering blood pressure
* Strengthening cardiovascular functions
* Reducing stress hormones
* Improving circulation
* Increasing muscle flexion
* Oxygenating the body by boosting the respiratory system
* Boosting immune function by raising levels of infection-fighting T-cells, disease-fighting proteins called Gammainterferon and B-cells, which produce disease-destroying antibodies
* Triggering the release of endorphins, the body's natural painkillers
* Producing a general sense of well-being