This is not a scientific article, but a synopsis of a book.  "We think we know what to eat: less red meat and more fibre, less saturated fat and more fruit and veg, right?  Wrong, according to a controversial new book by obesity researcher and nutritionist Zoe Harcombe.  In 'The Obesity Epidemic: What Caused It? How Can We Stop It?'  Harcombe charts her meticulous journey of research into studies that underpin dietary advice - and her myth-busting conclusions are startling."