14-year-old Kayla Montgomery didn't let her disease stop her from becoming one of America's top long distance runners.
And it's actually quite good contrary to the video's resolution...
You can watch the side-by-side comparison here.
ADD stands for Automatic Activation Device, that is a device that automatically opens the main or reserve parachute container at a preset altitude.
This was the highest tightrope walk ever attempted, and of course, he did it with no safety net or harness...
Same guy who did it near the Grand Canyon last year.
This is what you can achieve with dedication and willpower. He says he used no weights, no supplements, no protein shakes...etc. but only homemade food.