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Underweight: Introduction

A body weight that is considered to be the below the normal recommended weight for the persons height, build and sex. The body mass index is often used as the criteria to determine if a person is within the normal weight range. BMI<20 is generally considered underweight although people outside this range may still be perfectly healthy. People who are underweight may have an increased risk of anemia, heart irregularities and osteoporosis. One of the better known conditions associated with low body weight is anorexia. People who are underweight can find it extremely difficult to put on weight.> ...more »

Symptoms of Underweight

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Wrongly Diagnosed with Underweight?

Underweight: Related Patient Stories

Underweight: Deaths

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Diagnostic Tests for Underweight

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  • BMI - less than 20 means underweight; less than 18 is unhealthily underweight.
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Underweight: Complications

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Causes of Underweight

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Disease Topics Related To Underweight

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Misdiagnosis and Underweight

Metabolic syndrome often undiagnosed: Metabolic syndrome, also known as Syndrome X, is an often overlooked medical condition that causes a more »

Over-diagnosis of pulmonary hypertension in obese patients: A diagnosis of pulmonary hypertension, particularly pulmonary arterial hypertension, more »

Obesity-related conditions undiagnosed in children: A variety of conditions are associated with obesity (see obesity), but these tend to be undiagnosed more »

Misdiagnosed weight-related causes of infertility: A woman's weight status can affect her level of fertility. Although obesity or overweight can in themselves reduce fertility, there are other weight-related more »

Underweight: Research Doctors & Specialists

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Underweight: Animations

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Underweight: Broader Related Topics

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