Rumour: Calcium channel blockers, commonly used for high blood pressure, have no impact on dementia.
Truth: This is false. According to a Taiwanese study, calcium channel blockers, which are normally prescribed to lower blood pressure, have been shown to help reduce the risk of dementia. It is hypothesized that these drugs reduce the presence of amyloid-beta peptides. Read more about calcium channel blockers and their effects on dementia here.