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 ...

Research led by Peking University, China, has discovered a single type of retinal photoreceptor cell in Drosophila (fruit fly) is involved in both visual perception and circadian photoentrainment by ...

Anticholinergic medications block acetylcholine (i.e., "vagusstoff") and inhibit parasympathetic nerve impulses by binding with this neurotransmitter's receptors. Over 600 medications are known to ...

Alcohol use disorder, which affects over 10% of Americans, can lead to persistent and serious insomnia. Difficulties falling asleep and staying asleep can last even after months of sobriety, ...