A growing body of research suggests that watching your diet and exercising a few times a week is not enough to offset sedentary time.

http://feeds.nytimes.com/click.phdo?i=3e78bd1ed0544a365fe556be073f5f36

Researchers have long observed food insecurity- difficulty providing food for all one’s family members, known as hunger in its most severe form -and obesity occurring together in the same communities, families, and individuals. But the relationship of these two problems is not well-understood. The IOM held a workshop November 16-18, 2010, to explore the relationship between food insecurity and obesity, the current state of the research, and the data and analyses needed to better understand their relationship…

http://feeds.nap.edu/~r/nap/new/~3/Wt1EX8ydiDs/catalog.php