Obesity means an excessively high proportion of body fat. Overweight
refers to an excess of body weight, but not necessarily body fat.
Health professionals use a measurement called body mass index (BMI)
to classify an adult's weight as healthy, overweight, or obese. BMI
describes body weight relative to height and is correlated with
total body fat content in most adults. Generally, the higher your
BMI, the higher your health risk, and the risk increases even
further if your waist size is greater than 40 inches for men or 35
inches for women.
People who are overweight or obese are more likely to develop heart
disease, stroke, high blood pressure, diabetes, gallbladder disease,
and joint pain caused by excess uric acid (gout). Excess weight can
also cause interrupted breathing during sleep and wearing away of
the joints (osteoarthritis). Carrying extra weight means carrying an
extra risk for certain types of cancer, including endometrial,
breast, prostate, and colon cancer.
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