Finding your iron sweetspot for athletic performance and long health:
How to know if you are low or high? Or on the verge of being low or high? How to know if donating whole blood every 8 weeks is a good idea or a bad idea? How can you make donating blood less unpleasant? And what else can you do to stay in your iron sweetspot and to avoid both of these terrible outcomes for athletic performance, quality of life, and overall health?