CBD is way safer than opioid painkillers. If you can eat it rather than smoke it, that will spare your lungs.
I don't know about the companies listed but you could check out some local dispensaries.
I included the link just in case someone had used their products before. I swear my allergies were absent (Hay/pollen/dust) after working on my lawn and sitting outside most of the day. I researched it our of curiosity and apparently it does better than the allergy meds.
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