Inhabitants of the country Orctania suffer from a much lower incidence of cancer than the inhabitants of other countries, for reasons that are generally theorized to be environmental and behavioral--the pollution-free air, stress-free and drug-free living, healthy dietary practices, and active lifestyle. Nevertheless, people from other countries who take up residence in Orctania and attempt to follow the practices of the inhabitants still have a radically higher incidence of cancer than do native Octanians.
Which of the following does NOThelp to explain the higher incidence rate of cancer in non-native Orctanians?
【选项】
The non-native Orctanians moving to Orctavia often do so after diagnosis for a predisposition towards cancer.
选项是否正确？