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Rickets, Before and After Treatment, 1925

Before and after photographs of a child's legs with rickets treated with heliotherapy for two years. Light therapy or phototherapy, classically referred to as heliotherapy consists of exposure to daylight or to specific wavelengths of light using polychromatic polarized light, lasers, light-emitting diodes, fluorescent lamps, dichroic lamps or very bright, full-spectrum light. The light is administered for a prescribed amount of time and, in some cases, at a specific time of day. Rickets is among the most frequent childhood diseases in many developing countries. The predominant cause is a vitamin D deficiency, but lack of adequate calcium in the diet may also lead to rickets. A sufficient amount of ultraviolet B light in sunlight each day and adequate supplies of calcium and phosphorus in the diet can prevent rickets. Darker-skinned people need to be exposed longer to the ultraviolet rays. The replacement of vitamin D has been proven to correct rickets using these methods of ultraviolet light therapy and medicine.
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Titel:
Rickets, Before and After Treatment, 1925
Untertitel: Siehe automatische Übersetzung
Before and after photographs of a child's legs with rickets treated with heliotherapy for two years. Light therapy or phototherapy, classically referred to as heliotherapy consists of exposure to daylight or to specific wavelengths of light using polychromatic polarized light, lasers, light-emitting diodes, fluorescent lamps, dichroic lamps or very bright, full-spectrum light. The light is administered for a prescribed amount of time and, in some cases, at a specific time of day. Rickets is among the most frequent childhood diseases in many developing countries. The predominant cause is a vitamin D deficiency, but lack of adequate calcium in the diet may also lead to rickets. A sufficient amount of ultraviolet B light in sunlight each day and adequate supplies of calcium and phosphorus in the diet can prevent rickets. Darker-skinned people need to be exposed longer to the ultraviolet rays. The replacement of vitamin D has been proven to correct rickets using these methods of ultraviolet light therapy and medicine.
Bildnachweis:
Album / Science Source / Wellcome Images
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Model: Nein - Eigentum: Nein
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Bildgröße:
3900 x 3477 px | 38.8 MB
Druckgröße:
33.0 x 29.4 cm | 13.0 x 11.6 in (300 dpi)
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