Let’s assume that three factors (obesity, smoking, and alcohol use) can individually cause liver cancer, but only among individuals who have a genetic predisposition for it.
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Get it written →A) Let’s assume that three factors (obesity, smoking, and alcohol use) can individually cause liver cancer, but only among individuals who have a genetic predisposition for it. Let’s also assume that genetic predisposition alone does not cause liver cancer. What kind of cause is genetic predisposition?
choose one answer:
1. Necessary but not sufficient
2. Sufficient but not necessary
3. Neither necessary nor sufficient
4. Both necessary and sufficient
B) You can establish temporality in a retrospective cohort study.
Choose:
1. True
2. False
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