If you have sports drinks before a long run, the sodium cramps up your kidneys and can be very uncomfortable. And also, I get the EXACT same pains in left big toe, like I need to crack it but I can't. I only get it when I wear certain boots, so I guess it has to do with your shoes. But it can be a r...

Potentially interesting; I wonder.

Well did you know that the little dot over the "i" is called a tittle?