You actually CAN overdose on caffeine. A young woman in England did it recently. She had 7 double espressos while working in her family's sandwich shop, thinking they were singles. Not only did she get the expected symptoms like heart palpitations and nervousness, she actually got a high fever!
With more and more people drinking coffee and espresso drinks younger, I absolutely think it's more important than ever to let people know that too much can be dangerous. Okay, funny, but dangerous.
Read the whole article here.