how long can a human live without food & water?
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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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Dying from dehydration is generally not uncomfortable once the initial feelings of thirst subside. If you stop eating and drinking, death can occur as early as a few days, though for most people, approximately ten days is the norm. In rare instances, the process can take as long as several weeks.
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There are no precise answers. In general terms, the human body can go two to three days without water and, it is often said in survival guides, 30 to 40 days without food of any kind. (Many of these guides also discourage people from scavenging for wild plants or shrubs because of the adverse effects these can have.)
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It this during this time when they consume the stored fats in their body and can last about eight weeks without food. However, if a different reason is behind the loss of food source, a ladybug is estimated to live just about two days without food.
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Nymphs can live without food for up to 584 days. That's over a year-and-a-half! Adults crawl in search of dogs or large animals for a blood meal. Adult American dog ticks can live for up to two years without food.
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Your body can meet the majority of your calorie requirements from stored fat, but total starvation is fatal in 8-12 weeks, regardless of initial body weight. Within one or two days of your last meal, your body will have exhausted all the glycogen stored in the liver and muscles.
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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.
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How long can a healthy dog go without eating? Most healthy dogs can go up to five days without food, though that number is only true if your pet is still drinking plenty of water. Some can even go up to seven days without, though you should never let things get that far without taking your dog to the vet.
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A horse deprived of water may only live up to 3 or 6 days. After lacking water intake for two days a horse may refuse to eat and exhibit signs of colic and other life-threatening ailments.
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People generally can go without food and water for about two to three weeks. This will vary based on underlying health or illness. For people who are very ill, with little body fat, survival may be much shorter.
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How long can we survive without the basics? Every person and situation is different, though the "rule of threes" gets at the desperate nature of what our bodies need: three minutes without oxygen, three days without water, three weeks without food.
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Originally Answered: How long can a person survive... without skin? Without medical intervention ? less than3 days.
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One study in Archiv Fur Kriminologie concluded that you can't survive more than 8 to 21 days without food and water. People on their deathbed who are using very little energy may live only a few days or a few weeks without food and water. Water is much more essential to your body than food.
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In a 1997 editorial in the British Medical Journal, Peel briefly reviewed the available literature regarding human starvation. Generally, it appears as though humans can survive without any food for 30-40 days, as long as they are properly hydrated.
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Eliminating food and water intake for a significant period of time is also known as starvation. Your body can be subject to starvation after a day or two without food or water. At that time, the body starts functioning differently to reduce the amount of energy it burns. Eventually, starvation leads to death.
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We can't live on air and sunshine alone. 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.
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These studies have uncovered several observations about starvation: An article in Archiv Fur Kriminologie states the body can survive for 8 to 21 days without food and water and up to two months if there's access to an adequate water intake.