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If you vomit and it looks like coffee grounds . You need to get to a hospital. You’re bleeding somewhere and it’s reaching your stomach the partially digested blood comes up looking like coffee grounds.
If you ever almost drown to the point of throwing up water or passing out, even if you feel 100% fine, get to a hospital. Your lungs can unwittingly self-fill up with fluid over the next few hours.
If someone is in trouble and you want to leap in to save them, make sure you have a way to get out yourself.
When having a heart attack, you don’t swallow asprin, you chew it.
If you’re ever somewhere really high (e.g. hiking) and you hear crunchy/crinkling noises in the air and/or feel static electricity (like your hair standing up), get the fuck out of there immediately, lightning is on it’s way.
Never pull out a gun or any weapon unless you are prepared to kill or die. Weapons escalate the situation to another level. If you have a weapon, intend to use it and risk having it used on you.
It is extremely difficult to hit a moving target. If somebody is trying to shoot you, keep moving, change directions unexpectedly, roll on the ground and get up again.
If you’re lost in the wilderness, go where water flows. Humanity has set up shop near water for millienia.
If you get into a car accident or get hit by a car, even though you may feel okay… do not leave the scene or refuse care. You may have a head injury, whether it is a concussion or a subdural hematoma.
Don’t walk down the stairs with your hands in your pockets
Hitting a shark on the nose is not really the most effective way to beat it.
If someone is having a seizure, don’t put something in their mouth. They can choke on it.
If you get itchy or develop a rash after eating a food, using a product, or taking a medication, stay away from it. The next time you ingest it you could have a full-blown reaction.
Never assume that criminals are stupid or that you can outsmart them.
Carry some non-coated aspirin with you.
To immediately stop a dog attack (dog attacking somebody else), grasp the hind legs of the attacking dog very firmly, and pull straight up in the air, then walk backwards.
Kangaroos can’t move backwards.
If you plan a long boat trip, pack vitamin c and fresh fruit.
In an aircraft emergency, during evacuation, climb over your seat then “swim” across the tops of the seats if the aisle is clogged with panicking passengers.
If you are lost somewhere and its just desert like outside hardly any water and you need liquid, never drink from still water, always go for running water as it has a fresh source.
Police learn in their training, that if you ever lose sight of a vehicle you are chasing, turn right. Suspects always turn right. So turn left.