unless you think skin whitening treatments make you run slower.
(, Tue 29 Jun 2021, 9:50, Reply)
and then some researcher did extensive metanalysis and found they were all nonsense, they had no biological advantage that could be established with any authority . they were better because they trained harder and longer than their competitors, and showed a normal response to that training in their performance
found it
(, Wed 30 Jun 2021, 9:31, Reply)