Anticholinergic drugs are drugs that block the action of acetylcholine—a chemical messenger in your brain that plays a role ...

Anticholinergic drugs block the action of a chemical messenger called acetylcholine. It plays a key role in involuntary movements needed for muscle and brain function. It transfers signals between ...

A new study from the University of East Anglia has found that long-term use of certain antidepressants may increase the risk of dementia, even if taken up to 20 years before a diagnosis. The study ...