Anticholinergic vs. Cholinergic Drugs

Drs. Ayesha & Dean Sherzai, MD, PhD, MPH, MAS on Instagram: "Some over-the-counter sleep and allergy meds could quietly harm your brain 🧠💊 Common antihistamines like Benadryl, Unisom, or anything labeled “PM” block acetylcholine, a chemical your brain needs for memory, focus, and learning. Large studies have linked long-term use of these anticholinergic drugs to a higher risk of dementia or mild cognitive impairment. These studies show association, not causation, but if you take these meds reg