"During his training his body released endorphins which gave his workout a boost and improved his mood."
This event caused the body to release endorphins.
Believe it or not, hot sauces can be mildly addictive as they release endorphins in the brain.
Endorphins
People may use drugs that cause their body to produce endorphins for many reasons. Most commonly, people use drugs to produce endorphins within their body because they want to feel good, or feel "high", to alter their reality artificially. Some people may take these drugs because they are depressed, and simply want to feel normal.
There are certain endorphins that are released during vigorous exercise. These endorphins are called endogenous opioid peptides. These endorphins are also present in love.
endorphins
The pain-controlling chemicals in the body are called endorphins.
increased by heroin use and increased by vigorous exercise
The nervous system, especially the brain, produces endorphins.
We feel tremendously good when endorphins are released in our body. Endorphins are neutrotransmitters that are released in the body when we exeercise or feel a great degree of excitement. Endorphins are a type of brain chemicals and they are produced by the hypothalamus and pituitary gland in the brain.
The brain releases endorphins in response to pain. These endorphins are a lot like the man-made pain-killer morphine.
This class of neurotransmitters is called endorphins.