How does caffeine work?
Caffeine works by…well, the chemical process involves such concepts as adenosine receptors, epinephrine, and cAMP-phosphodiesterase. If you are in any way familiar with those words, then you’ve probably already skipped past this part of the FAQ. Suffice it to say that caffeine enters the blood stream upon consumption and makes the trip to all parts of the inner universe that is the human body. The effects include a faster heart rate, an increase in urine, facilitation of the digestive process, relaxation of the body’s smooth muscles, and stimulation of the brain cells.
