[BurritoAlPastor]

Are you suggesting that it might be just coincidental that companies stopped putting chalk dust in milk at about the same time that doing so became illegal?

[eru]

Citation needed.

See what I wrote for https://news.ycombinator.com/item?id=32373369 and also have a look at https://www.econlib.org/find-the-date-of-osha/

[morsch]

https://www.smithsonianmag.com/science-nature/19th-century-f...

[nmz]

Some cookies are still made with sawdust.