Want to catch up on the latest vitamin D research? Check out these five studies released just this year.

1. Cashman KD, Wallace JM, Horigan G, et al. Estimation of the dietary requirement for vitamin D in free-living adults>=64 y of age. Am J Clin Nutr. March 18, 2009. Click here to read the abstract.
   

2. Egan KM. Vitamin D and melanoma. Ann Epidemiol. March 10, 2009. Click here to read the abstract.
   

3. Li-Ng M, Aloia JF, Pollack S, et al. A randomized controlled trial of vitamin D3 supplementation for the prevention of symptomatic upper respiratory tract infections. Epidemiol Infect. 2009.19:1-9. Click here to read the abstract.
   

4. Saintonge S, Bang H, and Gerber LM. Implications of a new definition of vitamin D deficiency in a multiracial US adolescent population: The National Health and Nutrition Examination Survey III. Pediatrics. 2009. 123:797-803. Click here to read the abstract.
   

5. Sanders KM, Nowson CA, Kotowicz MA, et al. Calcium and bone health: position statement for the Australian and New Zealand Bone and Mineral Society, Osteoporosis Australia and the Endocrine Society of Australia. Med J Aust. 2009;190:316-320. Click here to read the statement.