revised+key+concepts

form: what is drug addiction? felipe ya function: how does drug addicition work? --- felipe ya causation: what causes drug addiction? sara - ya change: how is drug addiction changing? sara ya connection: how is drug addiction connected to other things? maji perspective: what are the points of view about drug addiction? maji responsability: what is our responsability to solve drugs addiction? luigi reflection: how do we know about drug addiction? - luigi