BMI and all-cause mortality: individual-participant-data meta-analysis of 239 prospective studies in four continents

Published in the Lancet this substantial study, from the Global BMI Mortality Collaboration, of over 10 million participants in Asia, Australia and New Zealand, Europe and North America has reviewed the association between BMI and all-cause mortality including its association with cancer. Their analyses have shown that being overweight or obese is associated with increased all-cause mortality. BMI was moderately positively related to cancer mortality across all regions and was based on data from 160 studies involving over 3 million participants. Importantly, their results also challenge previous findings that overweight and moderate obesity are not associated with higher mortality. Read the full article here.