Can be measure pain by the measuring the amount of Enkephalin in the blood ?
The description of pain for patients and its measurement by practitioners is challenging. When a member is injured, the pain of the affected nerves passes through messages that cause pain.
Neurological messages carry the pain to the spinal cord and then to the brain. Upon arrival of the painful nerve signal to the nerve rope, a pain message Is suppressed by a group of neurotransmitters called "ankophalin". When enkephalins are spinal cord neurons
They come to prevent the transmission of messages to the brain. Drugs have the same functionalities as enoxalones and to protein receptors Pain occurs in the nerve routine and prevent the transmission of pain messages to the brain.