© 2026 WVIK
Listen at 90.3 FM and 98.3 FM in the Quad Cities, 95.9 FM in Dubuque, or on the WVIK app!
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

This sport's athletes may be the fittest of them all, at least by one metric

Scientists have measured all kinds of athletes, and one sport consistently come out on top for maximizing the body's ability to convert oxygen to energy.

Copyright 2026 NPR