Researchers have identified a mechanism by which acetylcholine, a neurotransmitter best known for its role in muscle control and attention, can effectively commandeer serotonin release inside the ...

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

Serotonin, one of the major chemical messengers serving neuronal communication, is usually associated with the direct regulation of affective states and mood in general. But growing evidence suggests ...

If you’ve heard of two of the brain’s chemical neurotransmitters, it’s probably dopamine and serotonin. Never mind that glutamate and GABA do most of the work — it’s the thrill of dopamine as the ...

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 ...

Using light stimulation and MRI, scientists compared the effects of stimulating the brain’s serotonin center in awake and anesthetized mice, showing a clear difference in activation levels between the ...

An individual's nerve cells produce a special chemical called serotonin. It is responsible for sending signals from one nerve ...

If you've heard of two of the brain's chemical neurotransmitters, it's probably dopamine and serotonin. Never mind that glutamate and GABA do most of the work - it's the thrill of dopamine as the ...

Serotonin is often described as the happiness chemical because of its well-known role in regulating mood. However, recent research suggests this familiar molecule may play an unexpected role in cancer ...

Zoloft (sertraline) is a prescription drug that works to treat certain mental health conditions by increasing levels of serotonin in your brain. Your response to this drug may vary based on your ...

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 ...