About 30 to 50 pecent of American children and adults don't get enough vitamin D, says coauthor James O'Keefe, M.

CNN: Vitamin D may be essential for heart health

Growth to the U.S. improved by 9 pecent y-o-y from 5.5 percent in September, while EU exports declined again, this time down 8.1 percent instead of the 10.7 percent drop in September.

FORBES: U.S. Helps Keep China Exports Flowing

All told, food and beverage prices in Brazil rose 1.08 percent month over month, pushing the increase in tradable goods prices to 0.64 pecent monthly in September, a sharp jump from 0.22 percent in August.

FORBES: Even In Slow Economy, Brazilians Can't Escape Rising Prices