It's winter here in the northern hemisphere, the days are short and moods are low. For some people, even the thought of Christmas isn't enough to lift their mood. Depression can affect up to two out ...

2. How is serotonin made? Serotonin is made via a unique biochemical conversion process. It begins with tryptophan, a building block to proteins. Cells that make serotonin use tryptophan hydroxylase, ...

When they work, antidepressants can be a godsend. But they only work in about half of the patients who take them. And if the first attempt doesn't work, there are second- and third-line options to ...

Nace Golding, a neuroscientist at the University of Texas at Austin, and his team were surprised to find that serotonin also regulates the sensitivity of auditory neurons, brain cells involved in ...

The study builds on earlier animal research, where mice lost serotonin function before showing signs of Alzheimer’s. In those ...

Though antidepressants are a common treatment for depression, psychiatrists still don’t have a clear understanding of how exactly they work. A new paper suggests that some explanations persist thanks ...

Serotonin is a neurotransmitter, or chemical messenger, that controls and stabilizes your mood and functions in your brain. What might surprise you is that it’s also crucial to the functions of your ...

Research from the University of Gothenburg, Sweden, clarifies the complex interaction between gut bacteria and irritable bowel syndrome (IBS). Experiments demonstrate that gut bacteria can produce the ...

Explore how genetic knockout technology reveals surprisingly normal behavior in mice lacking serotonin production. Absolutely nothing...? Not quite, but it may be good for a lot less than anyone ...

Ketamine is a drug used to induce general anesthesia. It has also been found to act rapidly to relieve depression that has failed to respond to two other rounds of medication. A new study published in ...