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black tea

Caffeine: help or hurt?

http://www.yourrunning.com/forum-caffeine_help_or_hurt

Q: Lately I've been downing coffee in the morning, before going out for a run. It got me to thinking: Do the positive effects (jolt of energy, increased altertness and focus, enhanced mood and performance) of caffeine outway the negative (dehydration, dependence, stomach issues from coffee - especially if consumed on an empty stomach)? What have you guys experienced?

Simon says: