In this issue:
"The Food Addiction": Why fats and sugars may be driving more and more people toward obesity.
"Everything You Know about Calories is Wrong": Digestion is far too messy a process to accurately convey in neat numbers.
"Which One Will Make You Fat?": Rigorously controlled studies may soon give us a definitive answer about what causes obesity.
"Are Engineered Foods Evil?": The complexities surrounding genetically modified food.
©2013 Scientific American