how many days a person can survive without water?
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A human can go without food for about three weeks but would typically only last three to four days without water.
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['One gallon of water per person per day for at least three days, for drinking and sanitation.', 'At least a three-day supply of non-perishable food.', 'Battery-powered or hand crank radio and a NOAA Weather Radio with tone alert.', 'Flashlight.', 'First aid kit.', 'Extra batteries.', 'Whistle to signal for help.']
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Any plants that go one day without water will simply need an extra day to harvest. But after missing two consecutive days without water, plants will die.
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Originally Answered: How long can a person survive... without skin? Without medical intervention ? less than3 days.
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Ducks can go about 8 hours without water. It is best to make sure they have fresh food and water twice a day.
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The human body needs food and water to survive. A human can go for more than three weeks without food — Mahatma Gandhi survived 21 days of complete starvation — but water is a different story. At least 60% of the adult body is made of it and every living cell in the body needs it to keep functioning.
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Lions can go up to four days without drinking water, but they need to eat everyday.
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The body needs the nutrients in food to survive. Without them, it will start to break down its own tissue to use as food. Starvation affects all of the body's systems and processes. It is difficult to determine how long someone can go without food, but experts believe that it is between 1 and 2 months.
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Andreas Mihavecz, an 18-year-old Austrian man, may have survived the longest without drinking water: Police accidentally left him in a holding cell for 18 days in 1979. It's a fuzzy record, though, since he allegedly licked condensation off the walls of the prison.
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Experts believe it is possible for the human body to survive without food for up to two months.
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Store at least one gallon of water per person per day for three days, for drinking and sanitation. A normally active person needs about three quarters of a gallon of fluid daily, from water and other beverages. However, individual needs vary depending on age, health, physical condition, activity, diet and climate.
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(If the individual is dehydrated or over-hydrated, the time may range from approximately one to three weeks.) In situations of voluntary refusal of food and hydration, death typically ensues on a similar time frame, although the early use of ice chips or sips of water to reduce thirst may delay this slightly.
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You can go without food for two to four weeks and still live.
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The absolute necessary would be 14 days. In 2 weeks radiation shouldn't be much of a threat as long as you come back to a shelter. If you don't have any food you can last 2 weeks without it if you stay hydrated and conserve your energy.
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Generally, if the climate is just right and isn't too warm, healthy chickens are able to survive a full 48 hours without water. If you factor in heat or warm conditions, then that's going to be another story.
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The longest recorded time without sleep is approximately 264 hours, or just over 11 consecutive days. Although it's unclear exactly how long humans can survive without sleep, it isn't long before the effects of sleep deprivation start to show. After only three or four nights without sleep, you can start to hallucinate.
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Summary A water fast usually lasts 24–72 hours and is followed by a post-fast phase. If you're new to water fasting, you might want to spend 3–4 days preparing your body to be without food by reducing your portion sizes or fasting for part of the day.