Author Question: Researchers have recently suggested which of the following as likely mechanisms whereby physical ... (Read 22 times)

sjones · **on:** Jun 21, 2018

Researchers have recently suggested which of the following as likely mechanisms whereby physical activity (PA) lowers cancer risks?

A) PA inhibits the initial formation of cancer tumors.
B) PA inhibits the growth of existing cancer tumors.
C) PA inhibits release of proinflammatory cytokines.
D) PA inhibits each of these cancer-related processes.

Question 2

Regarding physical activity and breast cancer, evidence suggests that a sedentary lifestyle

A) protects against breast cancer.
B) is unrelated to breast cancer.
C) may be more of a risk for some women than for others.
D) protects against breast cancer in men but not in women.