Suppose a new medical study at a research university shows that a woman's chance of developing breast cancer triples if she is overweight.You know that the American Cancer Society says that the chance of a woman developing breast cancer in her lifetime is 1 in 9.Does being overweight now increase a woman's chance to 1 in 3 of developing breast cancer?
A)Yes; 1/9 × 3 = 1/3.
B)No; the baseline risk for women like the ones in this study may have been different from the American Cancer Society's lifetime risk.
C)No; unless a causal relationship is established, you should just ignore all risk statistics.
D)None of the above.

Question

Quizplus · Accepted Answer

The study may have used a different population or criteria than the American Cancer Society's lifetime risk calculation. Therefore, it is not necessarily accurate to simply apply the tripling of risk to the baseline risk of 1 in 9. It is important to consider the details and context of the study before making any conclusions about the impact on overall breast cancer risk.

Suppose a New Medical Study at a Research University Shows