A new study clearly shows common over-the-counter medications widely used for asthma, allergies, and insomnia increase the risk for dementia. The study also found that the risk may not be reversible, even after several years off of these medications.

The drugs studied are anticholinergic drugs, which block a neurotransmitter, acetylcholine, in the central and the peripheral nervous system. These drugs are available over-the-counter and through prescriptions. Many are used on a regular, long-term basis to treat a variety of medical complaints including: Continue reading →