found a clear pattern: the more gabapentin someone took, the greater the cognitive risks.
People with 12+ prescriptions were 40% more likely to develop dementia.
They were 65% more likely to develop MCI.
This held true even after accounting for health conditions, demographics, and other medications.
Health
But does gabapentin cause dementia?

Not necessarily. The researchers were careful to note this was an observational study, meaning that it shows a strong association — not proof of direct cause.