Written by Taylor Woosley, Staff Writer. Higher dietary vitamin A, total carotenoids, and selenium intake were associated with decreased risk of PSD (p < 0.05) after adjusting for potential confounders. (more…)
Written by Joyce Smith, BS. This study found an inverse association between vitamin A and carotenoid intake and risk of squamous cell carcinoma of the skin. (more…)
Written by Angeline A. De Leon, Staff Writer. Compared to the control cream groups, mice who were exposed to SSL and were administered the retinyl palmitate creams developed skin tumors earlier and had increased incidences of multiple squamous cell skin neoplasms. (more…)
Written by Angeline A. De Leon, Staff Writer. This study demonstrates how retinal-generated toxicity by blue light irreversibly damages retinal cells of the eye which may contribute to earlier onset of age-related macular degeneration.
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Written by Jessica Patella, ND. Participating mothers, who received 200,000 IU injections of Vitamin A just 24 hours postpartum, had a significant 134 % Vitamin A increase in colostrum and a 16.4 % decrease in Vitamin E. Researchers suggested that Vitamin E be added to the Vitamin A injections to compensate for this decrease.
Written by Greg Arnold, DC, CSCS. In this study of 84 healthy premenopausal women (aged 17 – 50), those who took 25000 IU of Vitamin A daily for 4 months decreased their thyroid stimulating hormones to normal levels compared to placebo. Researchers suggested that Vitamin A is effective in correcting mild thyroid abnormalities. (more…)
Written by Greg Arnold, DC, CSCS. Obese individuals receiving 25000IU of vitamin A experienced a 31% and a 17.4% decrease in a marker of diabetes and cardiovascular risk, respectively. (more…)
Written by Tatjana Djakovic, Staff Writer. In a study of 98 cystic fibrosis patients, those with the highest percentile of retinol intake were associated with a significant improvement of lung health. (more…)
Written by Greg Arnold, DC, CSCS. Women with the highest supplement intake of vitamin A had a 26% reduced risk of melanoma vs. women not taking vitamin A supplements. (more…)
Written by Greg Arnold, DC, CSCS. A combination of omega-3 and vitamin A could reduce the risk of an eye disease in which there is damage to the retina (tissue at the back of the inner eye that converts light into nerve signals and sends them to the brain). (more…)
Written by Jessica Patella, ND. Protein, calcium, magnesium, flouride, zinc, copper, boron, potassium, and vitamins D, K, C, A, and B are important for bone health. (more…)
Written by Marcia J. Egles, MD. A clinical trial has reported a benefit of lutein supplementation to the established vitamin A treatment of retinitis pigmentosa. (more…)
Written by Greg Arnold, DC, CSCS. Those with the 25% highest intake of Vitamins A, C, and E significantly decreased their risk of cervical cancer by 65%, 65%, and 47% respectively, compared to those with the lowest 25% intakes. (more…)
Written by Patrick Massey M.D., Ph.D. A medical study has demonstrated that severe acne is more common in teenagers with lower blood levels of vitamins A and E. (more…)
Written by Susan Sweeny Johnson, PhD, Biochem. Experimenters used a pre-diabetic mouse model to see if the onset of diabetes could be delayed by ingesting large doses of Vitamin A (250 IU/gm of food per day) or polyphenol-rich whole grape powder (1% of the food by weight). (more…)
