I know we have discussed this topic more than once in a variety of threads. (Probably most recently while discussing Chris Reed and Alexander Enbert). This article was published today on the topic so I thought I would link it here. It seems like a well-balanced article.
https://www.washingtonpost.com/heal...85b43c-a5c6-11ea-b473-04905b1af82b_story.html
Note: The line about how the heart grows larger in endurance athletes reminded me of the racehorse, Secretariat, whose heart was twice as large as that of a typical racehorse.
https://www.washingtonpost.com/heal...85b43c-a5c6-11ea-b473-04905b1af82b_story.html
Note: The line about how the heart grows larger in endurance athletes reminded me of the racehorse, Secretariat, whose heart was twice as large as that of a typical racehorse.