Nature

Epidemiology research in rheumatology—progress and pitfalls

What is 'epidemiology'? Epidemiology is defined as the study of the distribution and determinants of disease in populations. Clinical epidemiology is the study of the distribution and determinants of ...
Nature

Efficient design of clinical trials and epidemiological research: is it possible?

Randomized clinical trials and large-scale, cohort studies continue to have a critical role in generating evidence in cardiovascular medicine; however, the increasing concern is that ballooning costs ...
BMJ

Physical activity and longevity: how to move closer to causal inference

Correspondence to Dr Kaitlin H Wade, Integrative Epidemiology Unit, University of Bristol, Bristol BS8 2BN, UK; Kaitlin.Wade{at}bristol.ac.uk Kujala provides an insightful review contesting ...