Vitamin D
This is a reprint of an article about vitamin D... good thorough paper. Martin Mittelstaedt From Saturday's Globe and Mail Published on Saturday, Mar. 08, 2008 9:32AM EST Last updated on Monday, Mar. 30, 2009 3:13PM EDT I n the summer of 1974, brothers Frank and Cedric Garland had a heretical brainwave. The young epidemiologists were watching a presentation on death rates from cancer county by county across the United States. As they sat in a lecture hall at Johns Hopkins University in Baltimore looking at the colour-coded cancer maps, they noticed a striking pattern, with the map for colon cancer the most pronounced. Counties with high death rates were red; those with low rates were blue. Oddly, the nation was almost neatly divided in half, red in the north and blue in the south. Why, they wondered, was the risk of dying from cancer greater in bucolic Maine than in highly polluted Southern California? The two had arrived at Johns Hopkins a few days earlier, having dr