Caption

MODEL RELEASED. Obese woman. Thermogram of the torso 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 and yellow to red (warmest). Temperature regulation is more difficult in obese people and sweating is increased (red areas). Obesity increases the risks of developing many conditions, including heart disease, diabetes, osteoarthritis and high blood pressure.