Which has to be a pure coincidence, since the reported numbers are relative to population size. We could conclude that there are 4x4=16 times as many people with such high BMIs in the US, but that is not that useful
Several studies conducted during the last 50 years have shown that lower intelligence is associated with a higher body mass index.
Several studies conducted during the last 50 years have shown that lower intelligence is associated with a higher body mass index.