Because the part of the glass you drink from is more hygienic when pressed against a shelf that probably hasn’t been washed for months?
Don't know about you, but we keep ours clean.
Wow, I've never heard that one before! Do those trapped gases given off by the inert glass remain trapped as they travel from the cupboard to the work surface, and on to your mouth?rim up because trapping the air inside a glass/mug isn't good. the treated surface will naturally give off gases and you're trapping them in the mug.
Wow, I've never heard that one before! Do those trapped gases given off by the inert glass remain trapped as they travel from the cupboard to the work surface, and on to your mouth?
Fairly sure the answer is no!
Must be true then.... This thread is just lol at some of the comments.Used to be rim down until being informed it was utterly unhygienic to do so by a very smart looking person in a white lab coat on TV.
trapped gases given off by the inert glass