52.1 MB (3.2 MB compressed)
5222 x 3484 pixels
44.2 x 29.5 cm ⏐ 17.4 x 11.6 in (300dpi)
DR HOWARD SMEDLEY / SCIENCE PHOTO LIBRARY. DR HOWARD SMEDLEY / SCIENCE PHOTO LIBRARY.
Psoriasis affecting both elbows. A chronic skin disease (one of the commonest skin diseases in the U.K.), psoriasis appears as itchy, scaly red patches on the elbows, forearms, knees, legs, scalp, & other parts of the body. The cause is unknown, although the disease often runs in families & may be brought on by anxiety: its onset is most common in childhood or adolescence, and may be associated with arthritis. There is no known cure and treatment is palliative with lotions or ointments.
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