QUICKSTATSWEIGHT AND MORTALITYThree years ago, the Centers for Disease Control and Prevention (CDC) concluded that, based on US data from the year 2000, being underweight or obese increased the likelihood of death, compared to people of normal weight. Surprisingly, being overweight (but not obese) was associated with a lower risk of death.1Weight was categorized using the following body mass index (BMI) ranges: underweight (BMI= <18.5); normal weight (BMI= 18.5 to <25); overweight (BMI= 25 to <30); obesity (BMI= 30 or greater). A new study, examining 2004 mortality data, supports and expands on previous findings.“Excess” or “fewer” deaths, noted below, are in comparison to deaths of those with normal weight.• UNDERWEIGHT was found to be associated with increased mortality, overall, primarily due to increased mortalityfrom noncancer and noncardiovascular disease causes (23 455 excess deaths).Among the underweight, chronic respiratory conditions were primarily responsible for the excess mortality. The authors cite
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