Everyone knows sugar-rich, fatty foods are unhealthy, but we keep eating them. The diet industry is booming, but so are waistlines. In the UK, 1 out of 5 adults is obese; in the US, the figure is 1 of every 3 adults. Why don’t we eat better? Are we just too weak-willed? Maybe not. The picture emerging from recent research into the neurobiology of eating tells a different story, in which our evolutionary history and changing environment have created a dangerous new relationship with our food. Continue reading →