3 ms·Interesting, what caused a very visible, short term peak of cancer incidence in 1991?by anovikov 9y agoInteresting, what caused a very visible, short term peak of cancer incidence in 1991?DrScump 9y agoIt could be an increase in cancer diagnosis rather than new occurrences, i.e. as a result of more aggressive care.anovikov 9y agoStill, it must have been some particular event. Like a law change or new insurance scheme.