SSRIs, or selective serotonin reuptake inhibitors, are a type of antidepressant medication that work by increasing the levels of serotonin in the brain. Serotonin is a neurotransmitter that plays a key role in regulating mood, and low levels of serotonin have been linked to depression.
Related terms
Neurotransmitters: Chemical messengers that transmit signals between nerve cells in the brain.
Reuptake: The process by which neurotransmitters are taken back up into the nerve cells after they have been released.
Depression: A mental health disorder characterized by persistent feelings of sadness, hopelessness, and loss of interest or pleasure in activities.