Smoking Cessation, Not Reduction, to Cut Dementia Risk?

Quitting smoking reduces the risk for dementia, but just 'cutting back' doesn't – and, surprisingly, it may actually raise the risk, a study from Korea suggests.
Medscape Medical News
Quitting smoking reduces the risk for dementia, but just ‘cutting back’ doesn’t – and, surprisingly, it may actually raise the risk, a study from Korea suggests.
Medscape Medical News