http://dovescenar.com/ - Like PDAs PHAs have also gained prominence since the inception of SCENAR by a Russian scientist way back in the late 1980s. PHA stands for Personal Health Assistant – these have become important simply because we are always on the move today. We rarely have the time to go to a doctor unless the complications are really serious. Moreover, one dangerous thing that we tend to do is to pop a pill at will – self-diagnosis and medication being one of the most life-threatening risks that we take.