Vitamin A and skin

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Skin aging leads to a creased appearance of skin with progressive loss of elasticity and smoothness. Aging like in any other human organ appears in the skin is associated with loss of biologic and physiologic properties of skin. There is another variant of skin aging which occurs with exposure to sun rays, where ultraviolet radiations forms sun causes similar changes, leading to an appearance of the skin which appears to the similar to the natural aging of skin, albeit prematurely (Fisher et al., 2002).


While some claims have some rationale and are based on adequate research, it must be accepted that some of these claims are quite spurious with lack of adequate and extensive evidence from research before them being recommended to be used (Weiss et al., 1988). In this assignment one such claim published in a reputed newspaper will be critically examined whether local dermal application of vitamin A could be recommended to delay or reverse aging of the skin, whether it is intrinsic or extrinsic aging.
The report that will be examined here was published in Science Daily, May 22, 2007, issue with the heading "Vitamin A Helps Reduce Wrinkles Associated With Natural Skin Aging" which states essentially that there has been research which supports a claim that local application of vitamin A to the skin apparently improves the wrinkled appearance of the skin associated with natural aging. This claim has been correlated to the findings from research that locally applied vitamin A may promote repair of these age wrinkles through production of "skin building compounds". The claims can be quoted here. ...
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