Confucius said: “He who preserves the old and at the same time is able to gain new knowledge and new experiences can be a teacher and an example for the people”.

Confucius

Humans in general are great at coming up with reasons to maintain their desired beliefs in the face of contradictory data. More intelligent and educated people aren’t necessarily better at critical thinking, but they are likely to be more clever and creative in coming up with such excuses—and scientists are no exception.

The Sceptics’ Guide to the Universe, Steven Novella

Reusable plastic bottles release hundreds of chemicals

Researchers have found several hundred different chemical substances in tap water stored in reusable plastic bottles. Several of these substances are potentially harmful to human health. There is a need for better regulation and manufacturing standards for manufacturers, according to the chemists behind the study.

https://www.sciencedaily.com/releases/2022/02/220211102618.htm

I recently watched a Youtube video by a scientist in this context. I can also highly recommend it:

https://www.youtube.com/watch?v=Uo-kSxHNSDQ