作者: Levente L. Diósady , M. G. Venkatesh-Mannar
DOI: 10.1007/978-1-4614-7076-2_22
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摘要: Vitamin A is essential for normal tissue growth. functions in vision cell differentiation, embryonic development, spermatogenesis, the immune response, and epithelial integrity. deficiency (VAD), which mainly affects young children pregnant women lower income countries, can cause eye disease, irreversible blindness, reduced resistance to infection, an increased risk of morbidity mortality. VAD leads a vicious cycle that increases susceptibility infection such as diarrheal disease or measles, turn loss appetite, absorption vitamin A, increase body’s excretion A. While more severe causes impaired research indicates even with mild no clinical symptoms, if left unprotected, have 24 % higher death [1].