Your latest book is called unsavoury truth. It's about how the food industry has the tendency to meddle in ence. Is that an accurate portrayal? Well, i think tendency is an understatement. The foot industry is figured out that it can get scientists to do studies that will demonstrate benefits of particular products. They're not public health agencies. And for a very long time, they got away with saying we're not holding a gun to your head to force you to eat anything. But obesity and its consequences have put them in a very different position.