In Elliptical Fitness: US first lady Michelle Obama gestures during a briefing on an obesity study presentation during her visit to Fort Jackson, South Carolina (File Photo).

Studies show that Americans are spending less money on food, but that could actually lead to an increase in obesity.� The same is true in other developed countries feeling the economic pinch.�� For more, click on video report. � � � � � Latest news and how you can help In-depth coverage of political crisis in the region The Peace Corps celebrates a landmark anniversary Going Green Rebecca Ward rep ...Elliptical Fitness