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→Caffeine and your Nervous System: caffeine actually relieves headaches due to its metabolites causing blood vessel constriction
* reduce fine motor coordination
* reduce fine motor coordination
* cause [[insomnia]]
* cause [[insomnia]]
* cause a [[headache]], nervousness and dizziness
* cause anxiety and dizziness
* Potentiates the action of epinephrine causing increased heart rate and blood pressure
In superbly massive doses, caffeine is lethal. A fatal dose of caffeine has been calculated to be more than 10 grams (about 170 mg/kg body weight) - this would be equivalent to drinking 80 to 100 cups of coffee in rapid succession - a feat only [[Voltaire]] is alleged to have achieved.
In superbly massive doses, caffeine is lethal. A fatal dose of caffeine has been calculated to be more than 10 grams (about 170 mg/kg body weight) - this would be equivalent to drinking 80 to 100 cups of coffee in rapid succession - a feat only [[Voltaire]] is alleged to have achieved.