Retinol (vitamin A) supplements in the elderly

被引：1
|
作者：
Ward, BJ
机构：
[1] Ctr. for the Stud. of Host Resist., Montreal General Hospital, Montreal, Que.
[2] Ctr. for the Stud. of Host Resist., Montreal General Hospital, Montreal, Que. H3G 1A4
来源：
DRUGS & AGING | 1996年 / 9卷 / 01期
关键词：
D O I：
10.2165/00002512-199609010-00005
中图分类号：
R592 [老年病学]; C [社会科学总论];
学科分类号：
03 ; 0303 ; 100203 ;
摘要：
Aging is associated with many changes in epithelial tissues, immune function and haematopoiesis-myelopoiesis. There is increasing evidence that retinoids can significantly influence some of these changes. Retinoids may also have anticancer effects and protect against age-associated conditions such as macular degeneration, However. retinol (vitamin A) can br toxic when taken in excess and the elderly may be at particular risk for hypervitaminosis A. Evaluation of elderly people ingesting significantly more or less than the recommended daily intake of retinol requires an understanding of the biology of retinoids and consideration of the relative risks and benefits of supplementation.
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页码：48 / 59
页数：12
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