Detailed text transcripts for TV channel - CNN - 20171021:18:48:00
Symptoms but also acknowledges how quickly the technology continues to change. >> there are studies going on especially in other countries where they start as early as the nordic countries, when you exposure like mobile telephone, some 20 years ago increased, you don't know. you do need research for new exposure. but we also need to be able to say, well, as far as we know today, there peace no relationship. we have to look at other aspects, other possible courses of the impact. >> establishing cause and effect relationships takes decades, for those in green bank, they feel though don't have de...