Can anyone tell me if there are any guidelines as to how many caffeine is considered acceptable inside the human body?
Are there any experiments done on the human body to test the limit of caffeine overdose. I've heard of an athlete who had a gallon's worth of coffee in her/his system, can a person function with that much caffeine in her/his body?
If caffeine is a drug (And I believe it is according to some Sports body). Why aren't there any guidelines as to tell us how many cups of coffee/tea is acceptable?
If caffeine is a drug (And I believe it is according to some Sports body). Why aren't there any guidelines as to tell us how many cups of coffee/tea is acceptable?
Because acceptability is a social concept, not a medical concept.
Medically, the LD50 dose of caffeine (the dose at which half of all people will die of its toxicity) in a human being is about 192 mg/kg, which corresponds to a dose of 14,400 milligrams for an average 75-kg man. This in turn corresponds to about 125 cups of drip-brewed American coffee. And this in turn corresponds to 18 litres of coffee, which will probably cause hyponatremia (water poisoning) before it causes caffeine poisoning.
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