It's simple, what is written here should be part of basic education for every human being/worker.
For all who mis-interprent the post and focus only on the anti capitalistic view of it, don't worry your body will tell you soon!
Keep an eye for the signals, gut and digestive issues, back stuck and oain, sleeping problems, light sensitivity and irritability. When this will start remember that the problem is probably your work or your working environment not you! And you should react to it!
This article should be eye opening, and support for disabilities should be always there. The abandonment of human beings is the biggest failure of societes.
Fortunately, just about all of those are the result of slow poisoning via industrialized food sources. And can be remedied via diet. It's not fun wanting chili fries and having to eat eggs and home-made yogurt instead. But it's working in my case and I have the labs to prove it.