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

b sprinting for short periods of time while running can increase health benefits.