MONICA SCHROEDER / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY MONICA SCHROEDER / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Illustration showing the stages of a bed sore or pressure ulcer. Bed sores can be caused by many factors including unrelieved pressure, friction, humidity, etc. Bed sores usually afflict the frail and elderly, wheelchair bound people and the terminally ill. Bed sores can be fatal but can be treated and cured by a regimen of relieving pressure by turning the body on a strict schedule.
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