Mendelian randomization is a method for causal inference that leverages the random inheritance of alleles as instrumental variables to estimate the causal effects of exposures on outcomes 1,2,3,4 (Box ...

Cluster randomized trials are often used to study large-scale public health interventions. In large trials, even small improvements in statistical efficiency can have profound impacts on the required ...

Anyone who’s read my stuff with any regularity is acutely aware of my disdain for the way many observational studies are conducted and interpreted in health and nutrition research, as well as my ...