19 Life-Saving Facts That Everyone Should Know



Keep maximum-strength antihistamines in your wallet or bag when you go somewhere new

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You never know when you'll encounter something that you didn't know you're allergic to, especially when camping or hiking, according to user Ryan Borek.

Hitting someone with a stick could prevent them from fatal electrocution

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Electrocution instantly causes the muscles in a person's body to tense up. This is dangerous because it means a person holding a live wire can't let go. 

Ideally, you'll be able to turn off the source of the electricity in this kind of situation, Alex Elderfield explains. But if that's not possible, you can help the person (without getting electrocuted yourself) by breaking the circuit. The simplest way to do that is to find a long hard object, like a stick, and give the person a firm whack.

The limits of the human body tend to follow a "Rule of 3"


Survivalists have a shorthand for knowing their limits, Ruchin Agarwal says.

People can generally go three minutes without air, three hours without shelter in extreme weather environments, three days without water, and three weeks without food.

If cooking oil catches fire, turn off the burner and cover the pot

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Ruchin Agarwal also explains that people should never use water to put out grease fires. The water molecules sink to the bottom of the hot pan, evaporate instantly, and shoot the flames even higher.

Instead, you can put an oil fire out by cutting the heat and taking away the oxygen.

If you get stabbed or impaled by a sharp object, leave it be


Pulling out an object that has been lodged in your body will increase the rate of blood loss, Thomas Mei explains. Instead, try to cover the wound and do anything you can to stop the bleeding until you find a medical professional.

Most airplane crashes happen within the three minutes after take off or eight minutes before landing

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According to Sanket Shah, aviation safety abides by the +3/-8 rule, which encourages people to be vigilant immediately after take off and right before landing — 80% of crashes happen during those times.

You can use those short periods of time to stay alert and locate exits rather than getting lost in a podcast or movie.

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