I have started running more seriously since the Christmas break. I used to do 3 km and feel like I was dying, but now I can do 7 km quite easily! It's really exciting for me.
Yesterday however I got a pretty bad heart burn while I was doing my run. The feeling stayed with me the whole evening. I never get heart burns, I have only had it once before that I can remember. Could it be because I had very salty food in the afternoon (lots of crisps)? Or that I didn't drink a lot before starting to run?
Any advice welcome!