LONDON (Reuters) - Fluctuating levels of the brain chemical serotonin, often brought on when someone hasn't eaten or is stressed, affect brain regions that enable people to regulate anger, scientists ...

Scientists have uncovered a powerful strategy that the brain uses to coordinate chemical signaling. In a new study, ...

Recent research has opened the debate on whether chemical imbalances cause depression, anxiety, and other conditions ...

Increasing serotonin can change how people learn from negative information, as well as improving how they respond to it, according to a new study published in the journal Nature Communications. The ...

Serotonin is a chemical that plays an essential function in mood, sleep and well-being. Low levels of serotonin can contribute to depression, anxiety and other challenges. You may be able to increase ...

Acetylcholine "conductors" in the striatum directly trigger serotonin release, offering new insights into the origins of OCD ...

Researchers have identified a mechanism by which acetylcholine, a neurotransmitter best known for its role in muscle control ...

In his book Listening to Prozac, Peter Kramer states that patients who use Prozac or Fluoxetine report experiencing unusual changes in their personalities, characteristics, beliefs, judgments, and ...

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 ...