This increase in diabetes is being fueled by the increase in the population with BMIs of 30 or higher.

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Patients with high BMIs or with chest pain or pressure at presentation were less likely to have a false-positive activation.

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It is at lower levels, particularly with BMIs in the high 20s, that a wide range of body types are painted with the same brush.

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Shifting the obesity cutoff to 32 could make a big difference to prevalence figures, as many Samoans' BMIs are between 30 and 32, Dr. Bell said.

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Men and women in the new analysis who had BMIs between 22.5 and 25 were the least likely to die during the follow-up period, which averaged eight years.

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The CCL study also showed that executives with BMIs of 25 and under (indicating a person of normal weight) got higher ratings for interpersonal skills and task performance than peers who had BMIs over 25.

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