Quote by: Kenneth H. Cooper

Now I say that if you run more than 15 miles a week, it's for something other than aerobic fitness. Once you pass 15 miles, you do not see much further improvement.


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Author Bio


  • NameKenneth H. Cooper
  • DescriptionAmerican exercise instructor
  • BornMarch 4, 1931
  • CountryUnited States Of America
  • ProfessionPhysician