So what is the cure for dehydration? Drink water!!! Given the plentiful valid research contradicting old-wives tales about the horrible dehydration from caffeine, one just has to drink an extra teaspoon of water to balance it out.

Here's some other articles:

http://health.usnews.com/health-news...ve-longer.html
http://www.sciencedaily.com/releases...0622142551.htm
http://www.cleveland.com/healthfit/i...ancer_ris.html

Having raced bike for a 10-year period, I'm primarily interested in the performance enchancing effects. The benefits far outweigh the hassle of having to drink an extra teaspoon of water each day.

CP Tips - Caffeine
JAP - Effect of different protocols of caffeine intake on metabolism and endurance performance
JAP - Effect of a divided caffeine dose on endurance cycling performance,
JAP - Performance and metabolic responses to a high caffeine dose during prolonged exercise (cycling endurance increased +51%)
AJCN - Caffeine and coffee: their influence on metabolic rate and substrate utilization in normal weight and obese individuals