How Do Pain Relievers Work? - George Zaidan
View full lesson: http://ed.ted.com/lessons/how-do-pain-relievers-work Some people take aspirin or ibuprofen to treat everyday aches and pains, but how exactly do the different classes of...
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Translator: Ido Dekkers Reviewer: Ariana Bleau Lugo Say you're at the beach, and you get sand in your eyes. How do you know the sand is there? You obviously can't see it, but if you are a normal, healthy human, you can feel it, that sensation of extreme discomfort, also known as pain. Now, pain makes you do something, in this case, rinse your eyes until the sand is gone. And how do you know the sand is gone? Exactly. Because there's no more pain. There are people who don't feel pain. Now, that might sound cool, but it's not. If you can't feel pain, you could get hurt, or even hurt yourself and never know it. Pain is your body's early warning system. It protects you from the world around you, and from yourself. As we grow, we ...
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Translator: Ido Dekkers Reviewer: Ariana Bleau Lugo Say you're at the beach, and you get sand in your eyes. How do you know the sand is there? You obviously can't see it, but if you are a normal, healthy human, you can feel it, that sensation of extreme discomfort, also known as pain. Now, pain makes you do something, in this case, rinse your eyes until the sand is gone. And how do you know the sand is gone? Exactly. Because there's no more pain. There are people who don't feel pain. Now, that might sound cool, but it's not. If you can't feel pain, you could get hurt, or even hurt yourself and never know it. Pain is your body's early warning system. It protects you from the world around you, and from yourself. As we grow, we ...
