The J-shaped relationship between the intensity of exercise and the risk of URTI suggests that the risk URTI is lowest in people who
A)are sedentary.
B)engage in moderate exercise.
C)engage in vigorous exercise.
D)none of the above answers are correct

Question

Quizplus · Accepted Answer

The J-shaped relationship suggests that the risk of URTI is lowest in people who engage in moderate exercise. Sedentary individuals may have a higher risk and those who engage in vigorous exercise may also have a higher risk, possibly due to the increased stress on the immune system.

The J-Shaped Relationship Between the Intensity of Exercise and the Risk