I have severe asthma which has since been controlled with other medication. Fairly recently I gave mine to a lady who was experiencing an attack so can definitely vouch for this
In Australia, I only drink tea IF I’m feeling like it in winter which is it that often. Don’t drink coffee. And yet I’m still surprised it’s not something that’s in every house…
Still not going to cost you in Australia, one of most sparsely populated countries on the planet.