When they work, antidepressant medications may take weeks or months to alleviate symptoms of depression. Progress in developing new and more effective antidepressant treatments has been limited, ...

Depression affects how the brain communicates with itself. Our brains rely on chemical messengers called neurotransmitters to regulate mood, motivation, pleasure, focus, and social behavior. The most ...

A new brain-imaging study has revealed how ketamine produces its fast antidepressant effects in people with treatment-resistant depression. Researchers tracked changes in a critical brain receptor ...

Northwestern Medicine scientists have discovered a new pathway in the brain that can be manipulated to alleviate depression. The pathway offers a promising new target for developing a drug that could ...

For people antidepressants can’t help, ketamine changes the brain in ways we can now see In A Nutshell For the first time, researchers used a specialized brain scan to watch how ketamine alters a key ...

Neuroscientists recently identified molecular mechanisms in the brain that may explain why the active ingredient (fluoxetine) in selective serotonin reuptake inhibitors (SSRIs) sold under brand names ...

Taking certain antidepressants at the time of a traumatic brain injury (TBI) is not associated with an increased risk of death, brain surgery, or longer hospital stays, according to a new study. For ...

Add Yahoo as a preferred source to see more of our stories on Google. Researcher Dr. Kristian Jensen wears a headset comprised of 256 electrodes that indirectly measures serotonin levels. - Signe ...

Over the last few years, there has been an increasing number of commentators claiming that antidepressants don’t work, that pharmaceutical companies lied, and that these drugs are overprescribed ...

(CNN) — Going on antidepressants can give many people their life back, but for some there is a catch. About 25% to 80% of people who take antidepressants experience sexual side effects to some degree ...