too the same study from heinrich heine university estimated the move would boost the public finances by 47 billion euros per yearbut the idea remains controversialat the end of october klaus reinhardt the head of the german medical association called the plans almost cynicalit was shocking to legalise a substance that could lead to behavioural problems in adolescents as well as addiction and psychological changes he saidthe conservative opposition to the government has also set itself against the movethe bavarian state health minister klaus holetschek who is part of the conservative christian social union party called the idea a dangerous signal for all of europefirst however the governments plans need to be approved by the european commission or they risk going up in smoke