Having excessively high or low body mass index (BMI) may raise a person’s risk of premature death, findings of a new study have revealed.
Many doctors use BMI to determine if someone is obese because it is accurate and relatively simple to measure. It is measured by dividing a person’s weight by the square of his or her height. A BMI score of 18.5 to 25 falls within the healthy range.
In a research published in The Lancet Diabetes and Endocrinology on Oct. 30, researchers from London School of Hygiene and Tropical Medicine analyzed the data of 3.6 million people and more than 357,000 deaths, and found that too high or too low BMI can slash years from a person’s life.
They found that obesity, or BMI of 30 or more, was associated with higher prevalence of heart disease and cancer, two major causes of death.
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