Can antidepressants cause tinnitus? New research reveals how elevated serotonin activates auditory neurons, inducing phantom ...

Scientists at Oregon Health & Science University have identified a specific brain circuit that may help explain the ...

January 18, 2010 — Individuals with treatment-resistant depression tend to have the G/G genotype associated with higher levels of 5-HT 1A autoreceptors, and turning off some of those autoreceptors ...

New findings reveal a potential connection between serotonin activity and the progression of a widespread heart valve ...

Researchers have identified two gut bacteria that can produce serotonin, a key chemical that regulates bowel movements. In experiments with mice lacking serotonin, the microbes boosted serotonin ...

A type of drug already taken by more than 8 million people in the UK could help the immune system fight cancer and shrink tumours, a study finds. The widely used class of antidepressant - selective ...

The placenta has long been thought to produce serotonin during pregnancy. But in a new study, Yale researchers shatter the deep-rooted hypothesis — and show that the placenta doesn’t produce serotonin ...

Serotonin reuptake inhibitors (SRIs) are a class of drugs that affect the brain’s serotonin system, and doctors most commonly prescribe them as antidepressants. SRIs increase the levels of serotonin ...

Scientists have discovered two human gut microbes that generate serotonin, revealing how microbial chemistry can shape gut movement and nerve connectivity, and opening new possibilities for treating ...

Serotonin is a hormone and neurotransmitter—a chemical messenger that transmits signals between nerve cells in the body. Serotonin has a positive influence on the cardiovascular system and the ...

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 ...

SSRIs boosted the ability of T cells to kill cancer cells and suppressed tumor growth in both mouse and human tumor models. A widely used antidepressant drug could help the immune system fight cancer, ...