Can someone explain to me the Lagrangian and gauge invariance, and/or point me to good sources to learn about them from? I am Googling it, but I want to get as many different sources/explanations as possible to make sure I understand it.
It's not just s-o-y beans that are effecting people's healh, oil derived from seeds are contributing with increasing rates of obesity, type 2 diabetes, alzheimers, etc.
Cut these oils out of your diet and you will feel so much better.
Here's a page that compares graphs charting out rise in consumption of seed oils and disease prevalence: https://www.wtfhappenedin1980.com/
The picture I posted is a small fraction of data presented on this site and If you're interested then I'd recommend that you take a look at it for yourself.
