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Consumption of one egg per day increases serum lutein and zeaxanthin concentrations in older adults without altering serum lipid and lipoprotein cholesterol concentrations. Goodrow EF, Wilson TA, Houde SC, Vishwanathan R, Scollin PA, Handelman G, Nicolosi RJ. J Nutr. 2006 Oct;136(10):2519-24. PMID: 16988120 These findings indicate that in older adults, 5 wk of consuming 1 egg/d significantly increases serum lutein and zeaxanthin concentrations without elevating serum lipids and lipoprotein cholesterol concentrations.

Vitamin D supplementation to prevent infections: a sub-study of a randomised placebo-controlled trial in older people (RECORD trial, ISRCTN 51647438). Avenell A, Cook JA, Maclennan GS, Macpherson GC. Age Ageing. 2007 Sep;36(5):574-7. Epub 2007 Aug 15. No abstract available. PMID: 17702768 doi:10.1093/ageing/afm091

Wicherts IS, van Schoor NM, Boeke AJ, Visser M, Deeg DJ, Smit J, Knol DL, Lips P. \nVitamin D status predicts physical performance and its decline in older persons.\nJ Clin Endocrinol Metab. 2007 Jun;92(6):2058-65. Epub 2007 Mar 6.\nPMID: 17341569 [PubMed

Dietary magnesium intake is related to metabolic syndrome in older Americans. McKeown NM, Jacques PF, Zhang XL, Juan W, Sahyoun NR. Eur J Nutr. 2008 Jun;47(4):210-6. Epub 2008 Jun 16. PMID: 18560789 DOI: 10.1007/s00394-008-0715-x

NEW YORK (Reuters Health) - New research suggests that low vitamin D levels in the body are associated with thinking or "cognitive" impairments in older men, but whether vitamin D supplements can help is not yet known. In the study, an investigation of European men, subjects with low levels of vitamin D scored worse on a standard test of cognitive ability than did their peers with normal levels, Dr. David M. Lee, from the University of Manchester, UK, and co-researchers found. Although, the authors emphasize, the difference in scores was not that great.

(NaturalNews) Zinc is an integral part of the male hormonal system, and a primary part of the semen. It plays a major role in the production of sperm. Studies also reveal that Zinc Deficiency may be a cause of Prostate Enlargement.\n\nAs men age into their 50s and older, there is a natural decline in zinc. A zinc deficiency can lead to prostate enlargement, as well as a number of other male problems including impotency. This is because the prostate tissues are highly dependent on zinc to maintain its health and integrity. Zinc increases sperm count and sperm motility. High zinc levels also mean lower levels of estrogen and prolactin thereby reducing the risk of prostate disease.

Vitamin D intake is inversely associated with rheumatoid arthritis: results from the Iowa Women's Health Study. Merlino LA, Curtis J, Mikuls TR, Cerhan JR, Criswell LA, Saag KG; Iowa Women's Health Study. Arthritis Rheum. 2004 Jan;50(1):72-7. PMID: 14730601 DOI: 10.1002/art.11434 CONCLUSION: Greater intake of vitamin D may be associated with a lower risk of RA in older women, although this finding is hypothesis generating.

NEW YORK (Reuters Health) - Low levels of vitamin D are associated with the loss of cartilage in the knee joint of older individuals, researchers in Australia report

Prevention of nonvertebral fractures with oral vitamin D and dose dependency: a meta-analysis of randomized controlled trials. Bischoff-Ferrari HA, Willett WC, Wong JB, Stuck AE, Staehelin HB, Orav EJ, Thoma A, Kiel DP, Henschkowski J. Arch Intern Med. 2009 Mar 23;169(6):551-61. PMID: 19307517 Conclusion Nonvertebral fracture prevention with vitamin D is dose dependent, and a higher dose should reduce fractures by at least 20% for individuals aged 65 years or older.

Serum 25-Hydroxyvitamin D Concentration and Cognitive Impairment.\nLlewellyn DJ, Langa K, Lang I.\nJ Geriatr Psychiatry Neurol. 2009 Feb 4. [Epub ahead of print]\nPMID: 19073839 \ndoi:10.1177/0891988708327888\n

Low blood levels of vitamin D may be associated with an increased risk for dementia, a British study has found.

Association between vitamin D status and physical performance: the InCHIANTI study.\nHouston DK, Cesari M, Ferrucci L, Cherubini A, Maggio D, Bartali B, Johnson MA, Schwartz GG, Kritchevsky SB.\nJ Gerontol A Biol Sci Med Sci. 2007 Apr;62(4):440-6.\nPMID: 17452740

Long-term effects of giving nursing home residents bread fortified with 125 {micro}g (5000 IU) vitamin D3 per daily serving. Mocanu V, Stitt PA, Costan AR, Voroniuc O, Zbranca E, Luca V, Vieth R. Am J Clin Nutr. 2009 Feb 25. [Epub ahead of print] PMID: 19244376

Taking a combination of vitamins B6 and B12 and folic acid appears to decrease the risk of age-related macular degeneration in women, according to a report in the February 23 issue of Archives of Internal Medicine, one of the JAMA/Archives journals. Age-related macular degeneration (AMD) is a leading cause of vision loss in older Americans, according to background information in the article. Treatment options exist for those with severe cases of the disease, but the only known prevention method is to avoid smoking. Recent studies have drawn a connection between AMD and blood levels of homocysteine, an amino acid. High levels of homocysteine are associated with dysfunction of the blood vessel lining, whereas treatment with vitamin B6, vitamin B12 and folic acid appears to reduce homocysteine levels and may reverse this blood vessel dysfunction.

Broe KE, Chen TC, Weinberg J, Bischoff-Ferrari HA, Holick MF, Kiel DP. \nA higher dose of vitamin d reduces the risk of falls in nursing home residents: a randomized, multiple-dose study.\nJ Am Geriatr Soc. 2007 Feb;55(2):234-9.\nPMID: 17302660 [PubMed -

Nutrient intake and immune function of elderly subjects. Wardwell L, Chapman-Novakofski K, Herrel S, Woods J. J Am Diet Assoc. 2008 Dec;108(12):2005-12. PMID: 19027403 doi:10.1016/j.jada.2008.09.003

Long-term effects of giving nursing home residents bread fortified with 125 microg (5000 IU) vitamin D(3) per daily serving. Mocanu V, Stitt PA, Costan AR, Voroniuc O, Zbranca E, Luca V, Vieth R. Am J Clin Nutr. 2009 Apr;89(4):1132-7. Epub 2009 Feb 25. PMID: 19244376 doi:10.3945/ajcn.2008.26890

The same annual dose of 292 000 IU of vitamin D(3) (cholecalciferol) on either daily or four monthly basis for elderly women: 1-year comparative study of the effects on serum 25(OH)D(3) concentrations and renal function. Pekkarinen T, Välimäki VV, Aarum S, Turpeinen U, Hämäläinen E, Löyttyniemi E, Välimäki MJ. Clin Endocrinol (Oxf). 2009 May 25. [Epub ahead of print] PMID: 19486025 DOI: 10.1111/j.1365-2265.2009.03637.x

Arachidonic acid and docosahexaenoic acid supplementation increases coronary flow velocity reserve in Japanese elderly individuals. Oe H, Hozumi T, Murata E, Matsuura H, Negishi K, Matsumura Y, Iwata S, Ogawa K, Sugioka K, Takemoto Y, Shimada K, Yoshiyama M, Ishikura Y, Kiso Y, Yoshikawa J. Heart. 2008 Mar;94(3):316-21. Epub 2007 Jun 25. PMID: 17591648 doi:10.1136/hrt.2006.113159