4 Cups of Coffee
It's always good to hear that something as enjoyable as coffee has health benefits. If you're an athlete and think avoiding all things like caffeine and alcohol will make you stronger and more resilient this may be one case where abstaining is a disadvantage. Notice that de-caffeinated coffee seems to have similar benefits if the caffeine bothers you.
Too Much Salt Doubles Heart Failure Risk
It does pay to limit salt intake somewhat and exercise in the heat is one way to help excrete it.