how long can an unconscious person live without food?
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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. It depends on your age, illness, and nutritional status.
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When someone is no longer taking in any fluid, and if he or she is bedridden (and so needs little fluid) then this person may live as little as a few days or as long as a couple of weeks. In the normal dying process people lose their sense of hunger or thirst.
406115
People tend to stop breathing and die soon after a ventilator shuts off, though some do start breathing again on their own. If you're not getting in any fluids, you'll likely die within several days of your feeding tube removal. But you may survive for as long as 1 or 2 weeks.
854135
Survival experts apply the "rule of threes" to lasting without essentials. You can go about three weeks without food, three days without water, three hours without shelter, and three minutes without air.
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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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“Many, though not all, babies are able to make it through the night without food at 4 months. By 6 months, almost all healthy babies are physically and neurologically able to go 12 hours without food.” Before you start night weaning, it's important to have two things in place.
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At most, an astronaut without a suit would last about 15 seconds before losing conciousness from lack of oxygen. (That's how long it would take the body to use up the oxygen left in the blood.) Of course, on Earth, you could hold your breath for several minutes without passing out.
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There is very little research on just how long the body of a brain-dead person can be maintained. The discussion of brain death dates back to the 1950s in France with six patients who were kept "alive" for between two and 26 days without blood flow to the brain.
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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. Modern-day hunger strikes have provided insight into starvation.
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Most rats would likely survive without access to their food source for a week. However, no rat would last more than two weeks without eating anything. These creatures would live longer without drinking water than they would without eating food.
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As a general rule of thumb, a person can survive without water for about 3 days. However, some factors, such as how much water an individual body needs, and how it uses water, can affect this.
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Between 30-180 seconds of oxygen deprivation, you may lose consciousness.
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Since that time, many other incidences of discontinuing sustenance in patients in a PVS have been reported and death typically occurs after 10 to 14 days. (If the individual is dehydrated or over-hydrated, the time may range from approximately one to three weeks.)
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4 Answers. A human cannot live more than 3-4 days without drinking, especially in a broiling environment like a desert. Their immediate chances of survival depend on the ability to find an oasis, where they can gather water, within 3 days at most.
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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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Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use.
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If you don't eat at this point, the break-down of your body will continue, and death can occur as little as three weeks after you stop eating - if you don't get sick from a lack of immune system-essential vitamins and minerals first. So how exactly do you die from hunger?