Interesting article on hydration, dehydration and physiological effects of dehydration on the human body:
Optimum hydration strategies involve more than just drinking lots. It requires a lot more thought and planning.
Some more articles:
Dietary restriction and voluntary dehydration:
Wolters Kluwer Health
Dehydration, symptoms treatment:
Dehydration: Water Balance: Merck Manual Home Edition
Study: effect of hydration state on testosterone and cortisol responses to training-intensity exercise in collegiate runners:
Effect of hydration state on testosterone a... [Int J Sports Med. 2006] - PubMed - NCBI