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32.8 MB (1.6 MB compressed)
4305 x 2665 pixels
36.6 x 22.6 cm ⏐ 14.4 x 8.9 in (300dpi)
TONY MCCONNELL / SCIENCE PHOTO LIBRARY TONY MCCONNELL / SCIENCE PHOTO LIBRARY
MODEL RELEASED. Obese woman. Composite of three thermograms of an obese woman. A thermogram shows the variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits. The temperature scale is colour-coded and runs from purple (coldest) through blue, green, yellow and red to white (warmest). Temperature regulation is more difficult in obese people and sweating is increased (white areas). Blood flow to the lower legs and feet is reduced because of poor circulation, causing them to be cooler than other parts of the body. Obesity increases the risks of developing many conditions, including heart disease, diabetes, osteoarthritis and high blood pressure.
Model release available. Property release not required.