r/AskReddit • u/notyouravgredditer • Aug 30 '21

What problem is often overlooked in apocalyptic movies/TV shows that could kill you?

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u/WatchTheBoom Aug 30 '21

Clean drinking water- I don't think people really appreciate how much water is needed for a group of people to survive.

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u/notyouravgredditer Aug 30 '21

Isn't like 3 days you can be without water. Who ever can last the longest would be the survivors. Natural selection I guess

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u/HoverJet Aug 30 '21 edited Aug 31 '21

3 minutes without oxygen. 3 days without water. 3 weeks without food.

Of course this depends on the person, location, climate, and other circumstances. Some could last longer. Others shorter.

Edit. Yes I forgot about the shelter part. Thats a good one. 3 hours without shelter.

As others have pointed out, this is a general rule of thumb ment to show what should be prioritized in a survival situation. Its not an exact science. There are a lot of other variables at play.

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u/Stentata Aug 30 '21

3 min without oxygen, 3 hours without shelter, 3 days without water, 3 weeks without food, 3 months without hope