23.4 MB (1.0 MB compressed)
2592 x 3162 pixels
21.8 x 26.7 cm ⏐ 8.6 x 10.5 in (300dpi)
GUSTOIMAGES / SCIENCE PHOTO LIBRARY GUSTOIMAGES / SCIENCE PHOTO LIBRARY
Obesity. Obese man sitting on his sofa watching television. Obesity is defined in terms of the body mass index (BMI), which is a person's body weight in kilograms divided by the square of their height in metres. A BMI of over 25 is considered obese. Obesity increases the risk of strokes, diabetes and heart disease.
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