Body Mass Index (BMI)
Your Reference body mass index (BMI) Opens New Window and waist size affect your risk of Reference type 2 diabetes Opens New Window, Reference high blood pressure Opens New Window, Reference high cholesterol Opens New Window, and Reference coronary artery disease Opens New Window. The following table shows the risk.
|Classification||BMI||Waist size and relative risk|
Men: less than 40 in. (102 cm)
Women: less than 35 in. (88 cm)
Men: 40 in. (102 cm) or more
Women: 35 in. (88 cm) or more
|Overweight||25–29.9||Increased risk||High risk|
|Obesity I||30–34.9||High risk||Very high risk|
|Obesity II||35–39.9||Very high risk||Very high risk|
|Obesity III (extreme)||40 or above||Extremely high risk||Extremely high risk|
For Asian people, each risk category may include lower BMIs than those listed in the table.
A BMI under 18.5 is considered unhealthy. There is risk that you are not getting sufficient nutrition (malnutrition). Complications of malnutrition include anemia, nutrient deficiency, heart irregularities, loss of menstrual periods in women (amenorrhea), cavities, and osteoporosis.
|By:||Reference Healthwise Staff||Last Revised: Reference May 25, 2011|
|Medical Review:||Reference E. Gregory Thompson, MD - Internal Medicine
Reference Rhonda O'Brien, MS, RD, CDE - Certified Diabetes Educator