On two different occasions, at the end of biking I have become extremely dizzy and light headed. Both times have been druing my mentration cycle. Could it be related? Other times I have been biking I have not had this problem. I bike alot, between 16 and 25 miles a ride. What could be causing this? I am a 44 year old female in decent shape. I swim, bike or run 6 days a week.
Asked On : Wed, 3 Oct 2012