

The other sources are
https://www.psychiatrictimes.com/view/star-d-dethroned
Which cites the BMJ
https://pubmed.ncbi.nlm.nih.gov/25886544/ https://pubmed.ncbi.nlm.nih.gov/37491091/
I thought this article explained the science better than the Psychiatric Times, so I used it. Lesson learned.
I have to chime in here, as it’s a subject close to my heart. The old Pyrex measuring cups don’t do this. I went out of my way to buy some on eBay. I can’t imagine why they redesigned like this, but there’s a lot of things I can’t imagine.