What is considered underweight?

    Published: 06-16-2009
    Views: 11,088
    Taras Raggio explains the medical definition of being underweight.

    Host: What is considered underweight?

    Taras Raggio: There are number ways to measure an underweight person. One of the ways to access if you are underweight is to use a Body Mass Index or BMI for short, BMI measures the persons weight to their height and a BMI can tell if its proportional; a person who is underweight should have a BMI of no less than 18.

    5 kilograms.