Two students are discussing whether running or walking is better for a persons health. Which piece of evidence would best strengthen the argument that running is better for a persons health?
a. a person must spend more time walking than running to get the same benefits
b. sprinting for short periods of time while running can increase health benefits.
c. walking has the same effect on blood pressure as running Running is more likely to cause injury than walking
d. Running is more likely to cause injury than walking