Dietary nutrient intakes and skin-aging appearance among middle- aged American women 1 Ϫ 4

Corporate Research, Unilever Colworth Park, Bedford, United Kingdom.
American Journal of Clinical Nutrition (Impact Factor: 6.77). 11/2007; 86(4):1225-31.
Source: PubMed


Nutritional factors play a key role in normal dermatologic functioning. However, little is known about the effects of diet on skin-aging appearance.
We evaluated the associations between nutrient intakes and skin-aging appearance.
Using data from the first National Health and Nutrition Examination Survey, we examined associations between nutrient intakes and skin aging in 4025 women (40-74 y). Nutrients were estimated from a 24-h recall. Clinical examinations of the skin were conducted by dermatologists. Skin-aging appearance was defined as having a wrinkled appearance, senile dryness, and skin atrophy.
Higher vitamin C intakes were associated with a lower likelihood of a wrinkled appearance [odds ratio (OR) 0.89; 95% CI: 0.82, 0.96] and senile dryness (OR: 0.93; 95% CI: 0.87, 0.99). Higher linoleic acid intakes were associated with a lower likelihood of senile dryness (OR: 0.75; 95% CI: 0.64, 0.88) and skin atrophy (OR: 0.78; 95% CI 0.65, 0.95). A 17-g increase in fat and a 50-g increase in carbohydrate intakes increased the likelihood of a wrinkled appearance (OR: 1.28 and 1.36, respectively) and skin atrophy (OR: 1.37 and 1.33, respectively). These associations were independent of age, race, education, sunlight exposure, income, menopausal status, body mass index, supplement use, physical activity, and energy intake.
Higher intakes of vitamin C and linoleic acid and lower intakes of fats and carbohydrates are associated with better skin-aging appearance. Promoting healthy dietary behaviors may have additional benefit for skin appearance in addition to other health outcomes in the population.

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Available from: Oscar H Franco, Oct 04, 2015
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    • "Estrogen has been found to increase collagen production and skin thickness so as women age with decrease estrogen production, wrinkles formation are more prominent in women than men [13]. As for dietary intake, increasing vitamin C and linoleic acid consumption is associated with slower aging skin, while increasing fat and carbohydrates consumption causes faster skin aging [14]. "
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    ABSTRACT: Hyperbaric oxygen therapy (HBOT), a therapy that have patients breath in pure oxygen in a pressurized chamber, has been long used as a treatment for conditions such as decompression sickness and carbon monoxide poisoning. Oxygen recently has been found to be an important component in skin rejuvenation, treatment of photoaging skin, and improvement in skin complexions. The interest in the use of HBOT for this purpose is continually growing and becoming more widespread. In addition to aging and genetic makeup, chronic UV radiation due to everyday exposure, especially UV-B, can greatly increase the rate of wrinkle formation through increasing skin angiogenesis and degradation of extracellular matrix molecules. The use of HBOT and hyperoxia conditions has been found to attenuate the formation of wrinkles from UV irradiation. It accomplishes the task by possibly inhibiting various processes and pathways involved such as the HIF1-alpha, VEGF, neutrophil infiltrations, and MMP-2 & MMP-9, which are directly involved with promoting skin angiogenesis in its active state. There are currently medical aesthetic clinics that are using oxygen therapy under high pressure applied directly to skin to reduce visible wrinkles but this procedure is not widespread yet due to more research that needs to be done on this topic. However, this treatment for wrinkles is definitely growing due to recent studies done showing the effectiveness of oxygen therapy on wrinkles. This review article will explore and summarize researches done on possible mechanisms dealing with the use of oxygen therapy for reduction of UVB-caused wrinkles, its side effects, and its possible future improvement and use in medicine.
    04/2014; 4(1):7. DOI:10.1186/2045-9912-4-7
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    • "For example, several nutrients including cocoa flavanol( 7 ) and lycopene( 8 ) have been shown to be beneficial in maintaining or improving skin characteristics. In addition, increased intake of vitamin C and linoleic acid and decreased consumption of fats and carbohydrates are associated with an improved appearance of ageing skin( 9 ). "
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    • "This suggests that individuals with dry skin might intentionally increase their fat intake. Cosgrove et al. [18] observed that higher intakes of linoleic acid were associated with better skin-aging appearance. The human skin is the most active organ among all tissues in the body and maintains the epidermal homeostasis by continuously forming new epidermal cells and repeating differentiation and exfoliation [19]. "
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