How long can a person live without food or water?

Most healthy humans can live up to eight weeks without food!

But humans are much more vulnerable to dehydration.  Our bodies are 65% water, and we constantly lose water through sweat, urine, feces, and even lose water with every breath we take.

Even in average temperature, a person could only live 3-5 days without water, although there are some cases where individuals have survived up to 12 days.


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