Sports Drinks / Electrolyte alternative?
I'm training for a half-marathon and run approx. three times per week. I (almost) always get a killer headache after running, especially after a 6+ mile run. Doesn't matter if it's outdoors, indoors, 7AM, or 7PM. I thought at first I was just getting overheated, but it appears that I'm losing a lot of salt/electrolytes -…
