No change in oxytocin level before a human intergroup competition: study among Polish players before rugby and handball matches
S. Koziel, M. Kociuba, Z. Ignasiak, A. Rokita, I. Cichy, A. Dutkowski, M. Scislak, K. Kochan, A. Sebastjan, A. Spinek, D. Lorek, R. Chakraborty, B. Bogin
This study measures urinary oxytocin levels in rugby and handball players before and during matches, finding no change in levels over time but differences between sports types.
bioRxiv · Nov 30, 2020 · PreprintEvolutionary Biology