For education and discussion only. Not for commercial use.OSLO (Reuters) - Pollution from the oil platforms in the North Sea may be raising risks of cancer in fish, a Norwegian-led study showed on Thursday. "Overall chemical contamination from the oil industry in the North Sea is very low, but in some fish there is a long-term effect on DNA that might in the worst case cause cancer," said Jarle Klungsoyr of Norway's Institute of Marine Research. Klungsoyr, who led the survey of pollution with other Norwegian groups and Stockholm University, told Reuters that the experiments indicated that some oil-related chemicals...