title: Letter by Scott and Haykowsky Regarding Articles, "Can Intensive Exercise Harm the Heart? The Benefits of Competitive Endurance Training for Cardiovascular Structure and Function" and "Can Intensive Exercise Harm the Heart? You Can Get Too Much of a Good Thing".
authors.affiliation: Universities Space Research Association, NASA Johnson Space Center, Houston, TX.
authors.forename: Jessica M
authors.initials: JM
authors.lastname: Scott
authors.affiliation: University of Alberta, Edmonton, AB, Canada.
authors.forename: Mark J
authors.initials: MJ
authors.lastname: Haykowsky
mesh_terms: D000818:Animals; D001808:Blood Vessels / Q000502:physiology*; D009202:Cardiomyopathies / Q000209:etiology*; D003324:Coronary Artery Disease / Q000209:etiology*; D015444:Exercise; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D010807:Physical Endurance