Your aunt has reached the age where she is frail, and her physician has advised her to take high amounts of Vitamin D. Your family has doubts about this, and since you are known to be engaged in science, they have called on you to investigate whether taking Vitamin D is a good idea. Naturally, you turn to research articles for insights into the efficacy of Vitamin D.

Find the full text of the article assigned to you below, read it, and be prepared to use it to address the advisability of taking Vitamin D. We will discuss the matter Thursday, January 21. Make sure you bring to the discussion specific observations from your article.

	Article	To be read by
A	Latham NK, Anderson CS, Lee A, Bennett DA, Moseley A, Cameron ID (2003). A randomized, controlled trial of quadriceps resistance exercise and Vitamin D in frail older people: The Frailty Interventions Trial in Elderly Subjects (FITNESS). Journal of the American Geriatric Society 51:291-299.	Anyone whose last name lies between A and G
B	Pfeifer M, Begerow B, Minne HW, Abrams C, Nachtigall D, Hansen C (2000). Effects of a short-term Vitamin D and calcium supplementation on body sway and secondary hyperparathyroidism in elderly women. Journal of Bone and Mineral Research 15:1113-1118.	Anyone whose last name lies between H and K
C	Sanders KM, Stuart AI, Williamson EJ Simpson JA, Kotowicz MA, Young D, Nicholson GC (2010). Annual high-dose oral Vitamin D and falls and fractures in older women: A randomized controlled trial. Journal of the American Medical Association 303:1815-1822.	Anyone whose last name lies between L and R
D	Trivedi DP, Doll R, Khaw KT (2003). Effect of four monthly oral vitamin D3 (cholecalciferol) supplementation on fractures and mortality in men and women living in the community: randomised double blind controlled trial. British Medical Journal 326:469-472	Anyone whose last name lies between S and Z