The human body's ability to store energy as fat seems haywire in a world full of food. Understanding how our complex energy-regulating systems can falter and lead to obesity is revealing new ways to fight excess weight
Neuroimaging reveals a shared basis for chocoholia and drug addiction
More people in the developing world are now overweight than hungry. How can the poorest countries fight obesity?
One eighth of the world's people do not have enough to eat
A new green revolution based on genetically modified crops can help reduce poverty and hunger—but only if formidable institutional challenges are met
New approaches are needed to protect the food supply
A well-publicized study and a spate of popular books raise questions about the ill effects of being overweight. Their conclusions are probably wrong
Globalization ushered in a world in which more than a billion are overfed. Yet hundreds of millions still suffer from hunger's persistent scourge
How do you cope with a mountain of conflicting diet advice?
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