A higher body mass index (BMI) appears to be causally related to a greater risk for vascular-related dementia.

Researchers argue that, in some situations where machine-learning models are used to allocate scarce resources or opportunities, randomizing decisions in a structured way may lead to fairer outcomes.

A research team analyzed linguistic approaches to help cancer patients better comprehend the concept of randomization, being assigned by chance to treatment or control groups, in clinical trials.

Genetics and lifestyle factors, such as leisure screen time and smoking, may significantly contribute to heart risk in patients with ADHD.

In a randomized clinical trial, instead of allocating patients equally between the treatment arms, some trials in oncology assign a higher proportion of patients to receive the experimental treatment ...

Mendelian randomization is a study design that uses genetic variants as instrumental variables to test the causal effect of a (non-genetic) risk factor on a disease or health-related outcome. Since ...