Yes because caffeine causes a chemical reaction <span />
Chicken Pox. All other options are possible outcomes of poor health but chicken pox's is a sickness that you have no control over.
During a fight or flight response, your body provides you with the energy, reflexes, and strength you may need to respond to the stressor. An example of this is would be if you were in the path of a fast moving vehicle and you suddenly feel a burst of energy that allows you to get out of the way of the car.
Hope this helps :)
