I did an ultra marathon once watching Centennial, Lonesome Dove, The Ring Trilogy and The Hobbit with no change in cardio markers. However it did take two days to get my rear in gear again.
13 posted on 07/06/2019 6:38:42 AM PDT by blue-duncan
14 posted on 07/06/2019 7:35:29 AM PDT by ConservativeMind
(Trump: Befuddling Democrats, Republicans, and the Media for the benefit of the US and all mankind.)