For years they have been blamed for increasing our risk of heart disease, but now it appears that they may not be quite as bad for us as we once thought
Joanna Blythman: Eggs and red meat have both been on the nutritional hit list – but after a major study last week dismissed a link between fats and heart disease, is it time for a complete rethink?
Zoe Williams: This week a new report said that a diet high in animal protein could increase oour chances of dying from cancer or diabetes fourfold. So if protein has joined sugar, fat and carbohydrate in being bad for us, what's left for dinner?
We're quick to blame sugar for our children's hyperactivity and own energy crashes after eating something sweet – but scientific evidence points to a more complex explanation