So I just finished a light one hour jog and went to take a bath(normally I take showers, but I was bored and figured I had nothing better to do). Usually when I take baths I set the water pretty hot. I was feeling good during the bath, but as soon as I got out and started drying myself off, my vision became fuzzy and I felt very weak. I then tried to dry off as quick as I could, I put on my clothes, and rested on the couch until the feeling subsided. Then I figured... "Eh, what the hell, lets ask Yahoo!"