Nutrition advice changes constantly. How do I know Paleo is a healthy way to eat?
Nutrition advice does seem to change constantly. Often the information the public receives is biased, meaningless or influenced by financial and political incentives. Nutrition is also a field of bandwagon jumpers. In the 1950s, nutrition researcher Ancel Keys presented evidence supporting a correlation between eating saturated fat and heart disease, but the American Heart Association felt the evidence was insufficient. A few years later, Keys managed to convince the group otherwise with the help of some influential colleagues. Then Time magazine praised Keys research (even putting him on the cover), which led to a general consensus that he was right about saturated fat. Thats fine except for the fact that Keys ignored data that contradicted his hypothesis. His data did not actually support a correlation between saturated fat and heart disease. I think we can all agree that throwing away relevant research findings is a bad thing to do, especially when the health of an entire population