Its gradual: Obviously the extent of improvement with endurance and speed wil be based on your starting level. I would start by running every other day. You should start to feel improvement in your endurance over the first 1-2 weeks. The key is to be consistent and be in it for the long term - not a quick fix.
Answered 10/3/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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