15
Tilt your head back when you get a nose bleed
Source: wikipedia, Image: wikipedia
This is actually quite a silly thing to do. The blood will now run down your throat and into your stomach, potentially causing you to vomit. Instead, try pinching your nose, sitting down, and leaning forward. Blood might get on the floor, but that’s better than puking it up and getting your vomit on the floor too.
14
Peeing on a jellyfish sting neutralizes the pain
Source: wikipedia, Image: wikipedia
This is a popular myth that is not true at all. Jellyfish stings are activated by fresh water and most of your pee happens to be just that.
13
Heart attacks always hurt really badly
Source: wikipedia, Image: wikipedia
About 40-60 percent of heart attacks go unnoticed, especially in women. If you do feel the heart attack there is a good chance that it will feel something like heart burn, tooth pain, or any number of other symptoms.
12
Cracking your knuckles causes arthritis
Source: wikipedia, Image: wikipedia
The crack is just negative pressure pulling nitrogen into the joint, and that isn’t harmful.
11
Alcohol warms you up
Source: wikipedia, Image: wikipedia
Alcohol only makes you feel warm but only because it causes blood vessels near the surface of your skin to dilate. Ironically, this actually cools down your core body temperature.
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