Of course, news agencies try to spin it off with headlines like "Woman dies from drinking Coke", as if Coke were somehow inherently harmful, even in reasonable amounts. Anyone who drinks that much of anything is going to die fairly soon. Ten liters of water in a day may well kill you, and it's likely the only thing that kept her going that long was the slight diuretic effect of the caffeine. This is an example of an extreme case of addiction.
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Heart of the guardian, way of the warden, path of the exile.