Experts who advised on the development of the latest national dietary guidelines told MedPage Today that their work was not taken into account. They called the final guidelines full of errors. Christopher Gardner is one of those experts. The new guidelines update the classic food pyramid, which is now inverted and emphasizes meat, cheese and dairy products. This emphasis ignores the evidence for nuts and soy, as Dr. Walter Willett of the Harvard School of Public Health for CNN. The guidelines do not take into account all the scientific evidence.