you do realize that excellent health is pretty important to being a superior athlete ...
You could not be further from the truth. Winning is most important to the highest level athletes. They are very willing to sacrifice their own health to win. Do you think they care that steroids might cause them to get cancer in their 50's? No it is all about winning the Gold Medal today.
I was briefly a signed professional athlete. Nothing like the level of Djokovic, but I have some idea.