I want to assess an existing phs policy
Part 1
![step1](http://impact-phs.eu/wp-content/uploads/2015/12/step1.jpg)
Part 1 : PHS what is it ?
The aim of this part is to provide theoretical background information on PHS. More specifically, it provides a definition of PHS and highlights the PHS contributions to society, by demonstrating their positive societal impact.