What is the central idea of this passage? Yes, Sitting Too Long Can Kill You, Even if You Exercise.
O A person's risk of death doubles for each additional hour a person sits.
O The amount of exercise a person gets makes a big difference in his or her risk of death.
O The amount that a person sits has a very small effect on that person's risk of cath.
O A person's risk of death increases steadily along with the amount of time a person sits.
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