for “glue in the lungs“:

• one whole peeled lemon
• one dried cayenne pepper (preferably from your garden)¹
• honey to taste
• hot water, in an amount sufficient to render an imbibible consistency

liquefy all ingredients in a blender. drink the resulting concoction.

i have no idea if it works. with the exception of the cayenne, it sounds like the lemon-honey tea i used to drink when my throat was sore.
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¹webMD notes that capsaicin, the “hot” chemical in peppers (including cayenne), may thin mucus and treat emphysema, but adds a few contraindications, including high blood pressure.