Hi HM,
When you get a chance, check this out (for respiratory stuff):
https://www.youtube.com/results?search_query=mullein
It helped my husband a lot last season.
RWL
Thanks
Nikk you might want to see this
When I was a kid we would grab a Mullin spear and use it to joust on out ponies! Great fun. Know the plant well LOL. Just didn’t know it actually could be used for anything but knocking sis off her pony!