In my country growing up, there were always random health issues popping up because the reused packaging or storage without packaging was not always hygienic.

In my country growing up, there were always random health issues popping up because the reused packaging or storage without packaging was not always hygienic. In the beginning of 90s, when plastic packaging became popular, it was a huge change as we did not have to worry about many health issues ( food poisoning etc).