Writing in the Wall Street Journal, Steve Nissen and Nina Teicholz show that effectively attacking the U.S. government’s dietary guidelines is like shooting fish in a barrel. Weak Science Writing in the Wall Street Journal, Steve Nissen and Nina Teicholz show that effectively attacking the U.S. government’s dietary guidelines is like shooting fish in a barrel. Their blistering critique is that the guidelines miserably rely upon weak science. The government depends on observational or association studies that cannot prove causality. The validity of the counsel requires the use of clinical studies, which employ strong protocols such as randomness, control groups, placebos, etc. The government’s weak diagnostic approach is particularly a pr...