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I think that's why the India's Defence Research Development Organisation is looking into it.

What is the number of days a "normal" human can survive without food or water? If I recall correctly it was 3 or 4. Although it may vary depending on the environment and activity conditions.

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frankly, the probability of fraud by the researchers or reporters strikes me as many orders of magnitude higher than the probability that he can fast indefinitely without dying.

Yeah, it would take a lot of trustworthy eyewitnesses, video evidence, etc to convince me of this claim. Having some measure of mental control over your heartbeat or body temperature is interesting; having your cells function long-term without calories to burn and without creating waste products that need to be removed by water....

Well, that's quite a claim. I'd count it more likely that he's a cyborg from the future.

Most people can go a pretty long time without actual food, so long as they have water and a few key vitamins to help the body metabolize its own fat stores and proteins. People only last a few days without any water.

Water + vitamin fasting is sustainable for weeks or months, if I recall correctly. I don't remember the specifics, but I think B12 is the most important.

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