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How many days can a human live without food and water? Who holds the world record for longest fast?
Samira Vishwas | July 19, 2026 10:24 PM CST

The winds of uposhana were blowing in the country for the last year, and still are. As a common man, we must be wondering how long the human body can survive without food and water. This depends on many other things. According to the rules of science, a person can survive without water usually for 3 to 5 days and in extreme conditions a maximum of 1 to 2 weeks. The body needs water very much; Without water, body organs begin to fail due to dehydration.

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How many days can a human live without water??

On the other hand, if there is water but no food, a healthy person can live for 3 to 8 weeks, which is about 2 months. When food is not available, the body starts using its own stored fat and muscle for energy, scientifically known as ‘ketosis’. The more fat a person has in their body, the longer they can go without food.

The longest day of fasting

The world record for living without food for the longest time is held by ‘Angus Barberry’, a man from Scotland. In 1965, he fasted for 382 days without eating anything.

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His weight was 214 kg which was very heavy. He observed this fast under the strict supervision of doctors. During this period he only took water, tea, coffee and some vitamins and potassium which are necessary for the body. Their bodies got energy by burning stored fat. After 382 days, his weight was 80 kg.

World record without food and water!

An 18-year-old boy from Austria named Andreas Mihawez holds the record for the longest run without food and water. In 1979, the police locked him in a cell and forgot about him. He survived there for 18 days without food and water. His body had gained some water by licking the dampness off the wall of the cell, which saved him.

Warning: Such fasts can be very deadly, life-threatening, so usually one should never try such a thing without the advice of a doctor.


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