Narcolepsy can lead to excessive daytime sleepiness, as well as cataplexy, a sudden loss of muscle tone. Other symptoms can include sleep paralysis and hallucinations that occur both during sleep ...

LifeStance Health reports new anxiety medications are expected for 2026, featuring innovative treatments in clinical trials ...

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 ...

Long-term fasting in 24-hour cycles increases the sex drive of male mice by lowering the concentration of the neurotransmitter serotonin in the brain. This effect is linked to a diet-induced ...