Detailed text transcripts for TV channel - DW - 20181218:12:35:00
Only trying to establish whether a substance is carcinogenic in view then out of ten carcinogenic substances available only one will genuinely cause cancer in humans so those results are unsettling because a range of substances that would be important in combat in illnesses never reach patients because they've already been eliminated in animal tests that have no relevance for us it began as one of. the alternative is to work with human cells in vitro in test tubes. the cells here form tiny versions of organs such as miniature brains. in vitro methods are especially useful for answering specifi...