3 ms·

Nothing as special will happen after 72hrs of food fasting... humans can go on surprisingly long without food 8-42days and without food + water around 7 days.

• 14u2c 5y ago
  Sure, you'll survive without lasting damage, but thinking such a fast itself won't impact your brain chemistry seems a bit much.
  • NiceWayToDoIT 5y ago
    It will impact there is no doubt about it, but not in such dramatic way as 'hunger induced delirium' you need much longer fast than 72hrs (talking about food fasting, not sure about dry fast). 24hrs to 72hrs food fast is quite common as part of preparations for medical procedures as colonoscopy... https://news.ycombinator.com/item?id=27757942 https://news.ycombinator.com/item?id=27757942
    • daddylongstroke 5y ago
      ...and you know, also something humans routinely did for hundreds of thousands of years without ill effect (called winter time).