A group of neurotransmitters which serve as natural painkillers are called __________.

Question

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Endorphins are neurotransmitters that naturally relieve pain and promote feelings of pleasure and well-being. They bind to the same receptors as opioid drugs, such as morphine, to produce pain relief. Gamma aminobutyric acids and serotonin are neurotransmitters that play a role in mood regulation and anxiety, while norepinephrine is involved in the body's response to stress.

A Group of Neurotransmitters Which Serve as Natural Painkillers Are