There's a lot of problems with this. Starting with the fact that seed oils were not a part of the US diet in the 1800s, but that didn't mean they weren't popula

There's a lot of problems with this. Starting with the fact that seed oils were not a part of the US diet in the 1800s, but that didn't mean they weren't popular elsewhere. > this one is so well fitted with the rise of metabolic disease Is it though? The problem is that metabolic disease also increases with life expectancy. People are living longer and not dying at child birth - that inherently means we collect diseases with more frequency. And the idea that there were no metabolic diseases at the turn of the century is laughable. Part of the reason sanatoriums were so prevalent and and diet foods were invented were because of the extreme amount of ailments people suffered from their food.