Multiple clinical studies and reviews consistently support the conclusion that prolonged or long-term use of benzodiazepines leads to both cognitive impairment and physical or psychological dependence.
The retrieved papers overwhelmingly support the claim that long-term benzodiazepine use causes cognitive impairment and dependence. Studies ranging from older foundational research to recent 2026 literature consistently identify dependency and cognitive decline as major risks associated with chronic benzodiazepine administration. No papers contradict this relationship.