Extended Data Fig. 1: Representativeness of the IAEA database dataset included in the analysis.

Distribution of BMI in the sample data for a) females and b) males. Trends in body weight over the interval from 1982 to 2017 for c) males and d) females. There was a significant increase in weight over time in both sexes. For males (gradient = 0.015 kg/month F = 7.04, p = 0.009) reflecting an average weight increase of 5.4 kg over 30 years, and for females (gradient = 0.023 kg/month F 20.84, p = 0.000005) reflecting an average increase of 8.3 kg over 30 years.