Very interesting topic, and something I've thought a lot about over the years. I've often wondered why people in the modern world are more overweight, unhealthy, etc, than those in years past. People will tell you it's this or that food, etc. (and will usually try and sell you yet another product/program to fix it). It seems to me that this is all more complicated and complex than just the foods we are eating. I don't doubt that food additives are more highly-addictive (all approved by the same govt agency that approves the meds to "fix" it) than in the past, but human beings are more than just what they eat.
A good friend of mine's wife got on a serious health-kick some years ago. She was putting all manner of odd things on the table, and one day my friend broke and said "no more." She went on about the benefits of eating "organic" (another govt racket) and he told her all the people who died of plagues in past centuries all ate organic. This was actually a solid point in his favor.
All said, besides fake food, modern people also feed on a daily diet of despair, sadness, and human misery via 24-hour news cycles; and added to all that we have now adopted a dystopian view of the future via the climate "crisis" (complete with lockdowns in some areas now), COVID lockdowns, and constant talk of economic instability. (When COVID hit, I marveled at how each news outlet would try to make the scenario sounds scarier than the next - toying with people's minds and lives with bad information, hearsay, and sometimes outright lies.) Couple all this with the poisonous foods we are provided with, and it looks like we are being attacked on all sides. It's no wonder people are so miserable and seek to medicate with foods, drugs, etc. The modern world is a steady cycle of insanity.
I say eat better by all means, but also seek peace, joy, quiet, calm, and solitude. This is one of my favorite things about pipe-smoking. The peddlers of human misery will go on and on about "health risks" while completely ignoring the benefits and peace of mind a man can get at day's end with his favorite pipe. As often happens, a bit of wisdom from CS Lewis comes to mind here:
"We are, in fact, in a world starved for solitude, silence, and private: and therefore starved for meditation and true friendship."