How to Use "endorphin" with Example Sentences

1. Endorphin concentration in the aged rats with brain ischemia reperfusion .
2. L think we can live without the endorphin rush for one night .
3. With its ability to boost " feel-good " endorphin levels , chocolate has long been used as a mood-lifter .
4. An endorphin having opiate qualities .
5. The shrink said it all : severe serotonin and endorphin deficiency .