Neurotransmitters are the chemicals that are secreted in the brain that are helpful in transmission of messages in the nervous system. The most important one is the serotonin that plays role in aggression and violence. So deficiencies of serotonin result in aggressive and violent nature.
In a study it is concluded that serotonin levels are less in the people suffering with anxiety disorders compared to the normal people.
Medication known as the Selective Serotonin Reuptake Inhibitors (SSRI) increases the serotonin levels thus decreases the anxiety.
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