Relative Energy Deficiency in Sport—better known as RED-S—is often discussed as a simple energy equation: too much training, not enough calories. But in the real world of sport, things are rarely that ...
Was mich nicht umbringt, macht mich stärker. (What does not kill me, makes me stronger.) —Friedrich Nietzsche, aphorism number eight from Twilight of the Idols (1888) In the mid-19th century, a French ...