Bringing many of the popular emWave features to iOS devices, Inner Balance is the only app and sensor available that offers both real-time monitoring and training to manage stress and rebalance the mind and emotions whenever you need it.

ENGADGET: HeartMath unveils Inner Balance iOS app and sensor for managing stress, clearing the mind

Research into diseases of the mind, the production of medicines, the training and employment of treatment personnel -- might these not emerge as giant industries of tomorrow?

CNN: Three seeds for America's future economic boom

The training is intensely boring, but it conditions every part of the body -- including the mind -- for the pummeling that 26.2 miles exerts on it.

CNN: How to not train and run a marathon ...