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Uploaded by auntminnie on Feb 5, 2007
Could long-distance running put some older athletes at greater risk of heart attack? A group of German researchers sought to answer this question, using cardiac MRI to assess the changes that occurred in heart muscle in older marathon runners.
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Thanks! So remember: sports is very good for you, too much of it isn't...
PlzSeek4TruthPlz 3 years ago
Nice video again!
radrounds 3 years ago
2006?
kylameadesmusic 3 years ago
Increase vitamin D intake. Calcium problem solved.
omgScrub 4 years ago
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Thanks! So remember: sports is very good for you, too much of it isn't...
PlzSeek4TruthPlz 3 years ago
Nice video again!
radrounds 3 years ago
2006?
kylameadesmusic 3 years ago
Increase vitamin D intake. Calcium problem solved.
omgScrub 4 years ago