It's always best to be informed...
"Twenty minutes after drinking soda your blood sugar spikes causing an insulin burst. Your liver responds by turning any sugar into fat. Forty minutes later caffeine absorption is complete. Your pupils dilate, your blood pressure rises as a result your liver dumps more sugar into your bloodstream. The adenosine receptors in your brain are now blocked, preventing drowsiness. 45 minutes later, your body ups dopamine - stimulating the pleasure centers of the brain. This is physically the same way heroine works."
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