Use the slider above, beginning at 1985, and move to the right. What do you observe? Slide slowly, year by year to see changes in obesity patterns over time. Stop and observe carefully in 1991, 1997, 2001, 2005 and most importantly, 2011.

The following map tool presents data compiled by the CDC (Centers for Disease Control and Prevention) showing levels of obesity in the U.S. since 1985.

Use the slider above, beginning at 1985, and move to the right. What do you observe? Slide slowly, year by year to see changes in obesity patterns over time. Stop and observe carefully in 1991, 1997, 2001, 2005 and most importantly, 2011.

What changes do you see?
What do you notice about the geographic patterns with regard to prevalence of obesity?

Now that you have had a chance to consider the changing patterns over time, why ​do you think we are seeing the trends exhibited in these maps? share at least two possible reasons and discuss. You can discuss what you think is happening throughout the entire U.S. but also in specific regions that stand out to you.