There’s nothing quite like the instant rush of gulping down a caffeine-loaded energy drink or a quadruple shot espresso. Energy drinks are widely used and are now part of some people’s daily routines. But are these beverages really safe? Let’s find out how safe they really are. Warning: Make sure to take out a term life insurance policy if you’re going to use yourself as a lab rat.
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Source: Term Life Insurance Blog

i drink 97 cups in a year i guess :P so i aint dying easily
The Caffeine Tracker Android application can be useful for managing your level of caffeine… http://www.appbrain.com/app/com.cafapp
I've been drinking coffee or tea around 260 to 365 cups a year since I was 9 ROFL