Examining the Lancet Commission risk factors for dementia using Mendelian randomisation

Conclusions and implications Post hoc analysis indicated that the apparent protective effects of smoking, obesity and blood pressure were a result of survivor bias. The findings from this study did not support those presented by the Lancet Commission. Evidence from causal inference studies should be considered alongside evidence from epidemiological studies and incorporated into reviews of the literature.
Source: Evidence-Based Mental Health - Category: Psychiatry & Psychology Authors: Tags: Open access Old age psychiatry Source Type: research