how long can a person live without oxygen?
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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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A 27-year-old who weighed 456 pounds survived without any food for 382 days. Most people can survive without food for at least a few weeks, maybe a bit longer. Eventually, however, starvation kills.
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So when the skin is loss the fluid in body just evaporate into air. So the body loss fluid faster. A normal human body can survive 3 day without water. Did I mention normal human.
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Rule. Normally, the rule of threes contains the following: You can survive three minutes without breathable air (unconsciousness generally occurs), or in icy water. You can survive three hours in a harsh environment (extreme heat or cold).
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Medically speaking, most doctors agree that healthy humans can go up to eight weeks without food as long as they have water. People have gone longer and been fine, and people have starved to death in less time. Being strong and in good physical shape can help you survive longer, but so does having extra body fat.
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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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The answer, perhaps, mostly lies in how long the person has had type 1 diabetes. For someone like yourself, who indicated that you have had diabetes for more than 10 years, you MIGHT be able to live for 7 to 10 or so days without insulin.
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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.
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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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Babies are occasionally born without most of the brain ( see : Anencephaly - Wikipedia ). The longest recorded survival record is 2 years 174 days.
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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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Many people with ARDS recover most of their lung function within several months to two years, but others may have breathing problems for the rest of their lives. Even people who do well usually have shortness of breath and fatigue and may need supplemental oxygen at home for a few months.
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A very rough rule of thumb: A living creature can live without air for about three minutes, survive without water for perhaps three days, and may be able to live without food for up to three weeks.
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Many people with ARDS recover most of their lung function within several months to two years, but others may have breathing problems for the rest of their lives. Even people who do well usually have shortness of breath and fatigue and may need supplemental oxygen at home for a few months. Depression.
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Without any fluids (either as sips, ice chips or intravenously) people with a complete bowel obstruction most often survive a week or two. Sometimes it's only a few days, sometimes as long as three weeks. With fluids, survival time may be extended by a few weeks or even a month or two.
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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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In most cases the human brain would suffer irreversible brain damage after 3 minutes without oxygen.