Tag: Antidepressants

Depression Is Not Caused by Chemical Imbalance in the Brain

Depression Is Not Caused by Chemical Imbalance in the Brain

Upon analyzing 17 previous studies on the subject of depression, scientists have concluded that there might be no link between depression and lower levels of serotonin in the brain. The authors of the review also said that these findings could refute not only theories connecting depression to a chemical imbalance but also the effectiveness of prescribing antidepressants that target serotonin. Decades ago, the serotonin hypothesis proposed that depression and a chemical imbalance in the brain—including a deficiency of serotonin—could be closely related. Therefore, the most commonly prescribed antidepressants are those formulated to make serotonin more available in the brain by blocking its reabsorption into the neurons. These are the antidepressants known as serotonin reuptake inhibitors.

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