Fats That Heal, Fats That Kill: The Complete Guide to Fats, Oils, Cholesterol and Human Health
The John Birch society was into weird ideas about health since the 1960s, I had a friend in the 1980s whose parents were Amway distributors and selling supplements who were introducing my family to anti-abortion and school voucher activists.
In Ithaca though we have a population of hypochondriacs who are notoriously left wing.
Alternative ideas about the healthiness of fats have circulated a long time
https://www.amazon.com/Fats-That-Heal-Kill-Cholesterol/dp/09...
is the first one I saw against ‘seed oils’, certainly alternative ideas about the healthiness of cholesterol and saturated fats have been circulating a long time. What is different is the polarization of the post-COVID environment but the polarization is such that you find people who don’t think we are post COVID.