english: Using rigorous scientific research, Dr. Hayden and other researchers came to the conclusion that it was simply the lack of opportunity to participate that caused their fitness levels to suffer.
non_english: Koristeći strogo naučno istraživanje, dr Hejden i drugi istraživači došli su do zaključka da nedostatak prilike za učešće utiče na nivo fizičke spreme.