Scientists say the compound is11 to cause cancer but have no hard scientific proof 12 the precautionary principle it could be argued that it is 13 to follow the FSA advice. 14 it was rumourded that smoking caused cancer for years before the evidence was found to prove a 15.<br/> A resemblance<br/> <br/> B combination<br/> <br/> C connection<br/> <br/> D pattern