The kind of skepticism that can help us from being misled by research with radical and bold claims on topics of nutrition and its health outcomes. What is the perfect diet? How about keto or paleo? Vegan or carnivorous? It’s not that easy to answer. I doubt it is something we even have the answer for. The thing about nutrition is that it is extremely difficult to control diets for a significant period to note their effects. It’s even harder to monitor the consistency of nutrient composition of the same food at different times and places, not to forget about the tedious task of measuring the net weight (which can be either wet or dry weight). Even if all of this is taken care of, we need to understand that different people process the same food differently. There are just too many variables. Many studies are done on a particular population, concentrated on a certain geographic location and supposedly consuming a particular type of diet. You can see how this hardly counts as scientific. ...