16 Facts That Could Save Your Life Some Day.

Here are some life-saving facts that everyone should know and it could save your life some day:

1. If you get stuck in a riptide, remain calm and swim parallel to the shore; if you swim towards the shore, you will tire faster.

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2. When crying for help, call out specific people (eg. "you with the green shirt!"). It makes people more likely to act and not be affected by the bystander effect.

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3. In survival situations, while it will change depending on your body, remember the rule of threes:

3 minutes without air (maybe you're buried in snow following an avalance)
3 hours without shelter against the elements
3 days without water
3 weeks without food

4. Most phones can dial 911 even when there is no service or SIM card.

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5. Additionally, 112 is the international 9-1-1 in most places.

6. If you see a photo (particularly that of a child), and the person has a red-eye from the flash in only one eye, this could be a sign of retinoblastoma – a type of eye cancer.

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7. If caught in a burning building, get low. The breathable air will be near the floor.

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8. While performing CPR on someone, push on their chest to the beat of Stayin’ Alive.

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9. If a man pees on a pregnancy test strip and the result shows positive, it might be a sign of testicular cancer.

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10. Learn the self-Heimlich.

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11. High atmospheric pressure affects the bubbles in your coffee: if the bubbles happen to be concentrated in the center, expect rain or stormy weather.

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12. Do you have a desk job? Be sure you get up at least once every two hours and walk around for 5-10 minutes. Doing this reduces the chance of developing blood clots in your calves.

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13. Provided that the husk is intact, coconut water is isotonic, as well as sterile. It is because of this that it is sometimes injected directly into the bloodstream as a substitute for an IV bad in underdeveloped countries.