Zinc deficiency
- acrodermatitis enteropathica is an inherited disorder caused by malabsorption of zinc
- causes dermatitis, growth retardation, severe diarrhea, alopecia, poor wound healing and impaired taste and smell
Selenium deficiency
- rare, except in Keshan (Chine) where soil has low selenium conteny
- causes cardiomyopathy
Copper deficiency
- Menkes' kinky hair syndrome is caused by malabsorption of copper
- causes anemia, growth failure, mental retardation, brittle hair
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