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endorphin |
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endorphinNatural substance (a polypeptide) that modifies the action of nerve cells. Endorphins are produced by the pituitary gland and hypothalamus of vertebrates. They lower the perception of pain by reducing the transmission of signals between nerve cells. Endorphins not only regulate pain and hunger, but are also involved in the release of sex hormones from the pituitary gland. Opiates act in a similar way to endorphins, but are not rapidly degraded by the body, as natural endorphins are, and thus have a long-lasting effect on pain perception and mood. Endorphin release is stimulated by exercise. |
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| Nobody has ever reported any brain science suggesting that you get an endorphin rush when you pay your tax bill. To make sure that your are going to have a physiological response -- a release of endorphins -- happy hormones that also increase energy production -- you should be walking fast enough that your heart rate is between 65 percent and 80 percent of your maximum heart rate. A book like this one is like a triathlon workout for the mind--grueling and exhausting, but with a nice endorphin high afterwards. |
endorphin
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